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Finding the Fourth Proportional to 577,006.08, 865,607.96 and 177,639

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Solution

The fourth proportional to 577,006.08, 865,607.96 and 177,639 is: 266,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,006.08 : 865,607.96 = 177,639 : x
  2. Step 2: Convert to fraction form
    577,006.08/865,607.96 = 177,639/x
  3. Step 3: Cross multiply
    577,006.08x = 865,607.96 × 177,639
  4. Step 4: Simplify right side
    577,006.08x = 153,765,732,406.44
  5. Step 5: Solve for x
    x = 153,765,732,406.44/577,006.08
  6. Step 6: Final answer
    x = 266,488.93

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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.