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Finding the Fourth Proportional to 632,572.20, 948,858.30 and 571,554.90

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Solution

The fourth proportional to 632,572.20, 948,858.30 and 571,554.90 is: 857,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,572.20 : 948,858.30 = 571,554.90 : x
  2. Step 2: Convert to fraction form
    632,572.20/948,858.30 = 571,554.90/x
  3. Step 3: Cross multiply
    632,572.20x = 948,858.30 × 571,554.90
  4. Step 4: Simplify right side
    632,572.20x = 542,324,610,770.67
  5. Step 5: Solve for x
    x = 542,324,610,770.67/632,572.20
  6. Step 6: Final answer
    x = 857,332.35

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Half scale
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Double scale
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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.