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Finding the Fourth Proportional to 650,730.39, 971,665.89 and 574,191.06

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Solution

The fourth proportional to 650,730.39, 971,665.89 and 574,191.06 is: 857,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,730.39 : 971,665.89 = 574,191.06 : x
  2. Step 2: Convert to fraction form
    650,730.39/971,665.89 = 574,191.06/x
  3. Step 3: Cross multiply
    650,730.39x = 971,665.89 × 574,191.06
  4. Step 4: Simplify right side
    650,730.39x = 557,921,864,473.99
  5. Step 5: Solve for x
    x = 557,921,864,473.99/650,730.39
  6. Step 6: Final answer
    x = 857,377.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.