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Finding the Fourth Proportional to 515,374.14, 773,110.40 and 160,292.82

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Solution

The fourth proportional to 515,374.14, 773,110.40 and 160,292.82 is: 240,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,374.14 : 773,110.40 = 160,292.82 : x
  2. Step 2: Convert to fraction form
    515,374.14/773,110.40 = 160,292.82/x
  3. Step 3: Cross multiply
    515,374.14x = 773,110.40 × 160,292.82
  4. Step 4: Simplify right side
    515,374.14x = 123,924,045,385.86
  5. Step 5: Solve for x
    x = 123,924,045,385.86/515,374.14
  6. Step 6: Final answer
    x = 240,454.53

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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.