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Finding the Fourth Proportional to 577,252.70, 865,898.85 and 177,890.30

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Solution

The fourth proportional to 577,252.70, 865,898.85 and 177,890.30 is: 266,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,252.70 : 865,898.85 = 177,890.30 : x
  2. Step 2: Convert to fraction form
    577,252.70/865,898.85 = 177,890.30/x
  3. Step 3: Cross multiply
    577,252.70x = 865,898.85 × 177,890.30
  4. Step 4: Simplify right side
    577,252.70x = 154,035,006,196.16
  5. Step 5: Solve for x
    x = 154,035,006,196.16/577,252.70
  6. Step 6: Final answer
    x = 266,841.55

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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.