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Finding the Fourth Proportional to 523,520.59, 785,403.91 and 168,521.29

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Solution

The fourth proportional to 523,520.59, 785,403.91 and 168,521.29 is: 252,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,520.59 : 785,403.91 = 168,521.29 : x
  2. Step 2: Convert to fraction form
    523,520.59/785,403.91 = 168,521.29/x
  3. Step 3: Cross multiply
    523,520.59x = 785,403.91 × 168,521.29
  4. Step 4: Simplify right side
    523,520.59x = 132,357,280,084.24
  5. Step 5: Solve for x
    x = 132,357,280,084.24/523,520.59
  6. Step 6: Final answer
    x = 252,821.54

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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.