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Finding the Fourth Proportional to 577,026.20, 865,539.30 and 150,561.20

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Solution

The fourth proportional to 577,026.20, 865,539.30 and 150,561.20 is: 225,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,026.20 : 865,539.30 = 150,561.20 : x
  2. Step 2: Convert to fraction form
    577,026.20/865,539.30 = 150,561.20/x
  3. Step 3: Cross multiply
    577,026.20x = 865,539.30 × 150,561.20
  4. Step 4: Simplify right side
    577,026.20x = 130,316,635,655.16
  5. Step 5: Solve for x
    x = 130,316,635,655.16/577,026.20
  6. Step 6: Final answer
    x = 225,841.80

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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.