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Finding the Fourth Proportional to 624,734.04, 862,129.08 and 338,253.24

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Solution

The fourth proportional to 624,734.04, 862,129.08 and 338,253.24 is: 466,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,734.04 : 862,129.08 = 338,253.24 : x
  2. Step 2: Convert to fraction form
    624,734.04/862,129.08 = 338,253.24/x
  3. Step 3: Cross multiply
    624,734.04x = 862,129.08 × 338,253.24
  4. Step 4: Simplify right side
    624,734.04x = 291,617,954,608.22
  5. Step 5: Solve for x
    x = 291,617,954,608.22/624,734.04
  6. Step 6: Final answer
    x = 466,787.36

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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.