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Finding the Fourth Proportional to 506,706.72, 759,972.60 and 151,625.40

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Solution

The fourth proportional to 506,706.72, 759,972.60 and 151,625.40 is: 227,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,706.72 : 759,972.60 = 151,625.40 : x
  2. Step 2: Convert to fraction form
    506,706.72/759,972.60 = 151,625.40/x
  3. Step 3: Cross multiply
    506,706.72x = 759,972.60 × 151,625.40
  4. Step 4: Simplify right side
    506,706.72x = 115,231,149,464.04
  5. Step 5: Solve for x
    x = 115,231,149,464.04/506,706.72
  6. Step 6: Final answer
    x = 227,411.92

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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.