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Finding the Fourth Proportional to 655,915.16, 983,872.92 and 506,373.74

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Solution

The fourth proportional to 655,915.16, 983,872.92 and 506,373.74 is: 759,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,915.16 : 983,872.92 = 506,373.74 : x
  2. Step 2: Convert to fraction form
    655,915.16/983,872.92 = 506,373.74/x
  3. Step 3: Cross multiply
    655,915.16x = 983,872.92 × 506,373.74
  4. Step 4: Simplify right side
    655,915.16x = 498,207,410,185.12
  5. Step 5: Solve for x
    x = 498,207,410,185.12/655,915.16
  6. Step 6: Final answer
    x = 759,560.75

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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.