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Finding the Fourth Proportional to 624,892.32, 862,437.24 and 383,132.16

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Solution

The fourth proportional to 624,892.32, 862,437.24 and 383,132.16 is: 528,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,892.32 : 862,437.24 = 383,132.16 : x
  2. Step 2: Convert to fraction form
    624,892.32/862,437.24 = 383,132.16/x
  3. Step 3: Cross multiply
    624,892.32x = 862,437.24 × 383,132.16
  4. Step 4: Simplify right side
    624,892.32x = 330,427,442,625.64
  5. Step 5: Solve for x
    x = 330,427,442,625.64/624,892.32
  6. Step 6: Final answer
    x = 528,775.01

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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.