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Finding the Fourth Proportional to 550,957.60, 826,345.68 and 515,092.96

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Solution

The fourth proportional to 550,957.60, 826,345.68 and 515,092.96 is: 772,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,957.60 : 826,345.68 = 515,092.96 : x
  2. Step 2: Convert to fraction form
    550,957.60/826,345.68 = 515,092.96/x
  3. Step 3: Cross multiply
    550,957.60x = 826,345.68 × 515,092.96
  4. Step 4: Simplify right side
    550,957.60x = 425,644,842,294.41
  5. Step 5: Solve for x
    x = 425,644,842,294.41/550,957.60
  6. Step 6: Final answer
    x = 772,554.63

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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.