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Finding the Fourth Proportional to 515,374.89, 773,111.52 and 160,293.57

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Solution

The fourth proportional to 515,374.89, 773,111.52 and 160,293.57 is: 240,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,374.89 : 773,111.52 = 160,293.57 : x
  2. Step 2: Convert to fraction form
    515,374.89/773,111.52 = 160,293.57/x
  3. Step 3: Cross multiply
    515,374.89x = 773,111.52 × 160,293.57
  4. Step 4: Simplify right side
    515,374.89x = 123,924,805,548.93
  5. Step 5: Solve for x
    x = 123,924,805,548.93/515,374.89
  6. Step 6: Final answer
    x = 240,455.65

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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.