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Finding the Fourth Proportional to 569,452.20, 785,810.26 and 314,788.20

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Solution

The fourth proportional to 569,452.20, 785,810.26 and 314,788.20 is: 434,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,452.20 : 785,810.26 = 314,788.20 : x
  2. Step 2: Convert to fraction form
    569,452.20/785,810.26 = 314,788.20/x
  3. Step 3: Cross multiply
    569,452.20x = 785,810.26 × 314,788.20
  4. Step 4: Simplify right side
    569,452.20x = 247,363,797,286.93
  5. Step 5: Solve for x
    x = 247,363,797,286.93/569,452.20
  6. Step 6: Final answer
    x = 434,389.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.