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Finding the Fourth Proportional to 577,487.04, 865,836.36 and 307,655.52

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Solution

The fourth proportional to 577,487.04, 865,836.36 and 307,655.52 is: 461,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,487.04 : 865,836.36 = 307,655.52 : x
  2. Step 2: Convert to fraction form
    577,487.04/865,836.36 = 307,655.52/x
  3. Step 3: Cross multiply
    577,487.04x = 865,836.36 × 307,655.52
  4. Step 4: Simplify right side
    577,487.04x = 266,379,335,570.71
  5. Step 5: Solve for x
    x = 266,379,335,570.71/577,487.04
  6. Step 6: Final answer
    x = 461,273.27

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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.