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Finding the Fourth Proportional to 534,730.60, 802,211.10 and 160,791.40

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Solution

The fourth proportional to 534,730.60, 802,211.10 and 160,791.40 is: 241,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,730.60 : 802,211.10 = 160,791.40 : x
  2. Step 2: Convert to fraction form
    534,730.60/802,211.10 = 160,791.40/x
  3. Step 3: Cross multiply
    534,730.60x = 802,211.10 × 160,791.40
  4. Step 4: Simplify right side
    534,730.60x = 128,988,645,864.54
  5. Step 5: Solve for x
    x = 128,988,645,864.54/534,730.60
  6. Step 6: Final answer
    x = 241,221.74

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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.