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Finding the Fourth Proportional to 577,053.54, 865,586.85 and 177,691.14

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Solution

The fourth proportional to 577,053.54, 865,586.85 and 177,691.14 is: 266,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,053.54 : 865,586.85 = 177,691.14 : x
  2. Step 2: Convert to fraction form
    577,053.54/865,586.85 = 177,691.14/x
  3. Step 3: Cross multiply
    577,053.54x = 865,586.85 × 177,691.14
  4. Step 4: Simplify right side
    577,053.54x = 153,807,114,145.51
  5. Step 5: Solve for x
    x = 153,807,114,145.51/577,053.54
  6. Step 6: Final answer
    x = 266,538.72

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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.