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Finding the Fourth Proportional to 625,606.32, 938,264.58 and 372,957.60

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Solution

The fourth proportional to 625,606.32, 938,264.58 and 372,957.60 is: 559,350.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,606.32 : 938,264.58 = 372,957.60 : x
  2. Step 2: Convert to fraction form
    625,606.32/938,264.58 = 372,957.60/x
  3. Step 3: Cross multiply
    625,606.32x = 938,264.58 × 372,957.60
  4. Step 4: Simplify right side
    625,606.32x = 349,932,905,921.81
  5. Step 5: Solve for x
    x = 349,932,905,921.81/625,606.32
  6. Step 6: Final answer
    x = 559,350.02

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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.