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Finding the Fourth Proportional to 632,572.95, 948,859.43 and 571,555.65

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Solution

The fourth proportional to 632,572.95, 948,859.43 and 571,555.65 is: 857,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,572.95 : 948,859.43 = 571,555.65 : x
  2. Step 2: Convert to fraction form
    632,572.95/948,859.43 = 571,555.65/x
  3. Step 3: Cross multiply
    632,572.95x = 948,859.43 × 571,555.65
  4. Step 4: Simplify right side
    632,572.95x = 542,325,965,414.50
  5. Step 5: Solve for x
    x = 542,325,965,414.50/632,572.95
  6. Step 6: Final answer
    x = 857,333.48

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Half scale
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Double scale
Find fourth proportional to 632,573.95, 948,860.93 and 571,556.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.