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Finding the Fourth Proportional to 657,841.45, 987,107.97 and 466,947.79

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Solution

The fourth proportional to 657,841.45, 987,107.97 and 466,947.79 is: 700,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,841.45 : 987,107.97 = 466,947.79 : x
  2. Step 2: Convert to fraction form
    657,841.45/987,107.97 = 466,947.79/x
  3. Step 3: Cross multiply
    657,841.45x = 987,107.97 × 466,947.79
  4. Step 4: Simplify right side
    657,841.45x = 460,927,885,082.89
  5. Step 5: Solve for x
    x = 460,927,885,082.89/657,841.45
  6. Step 6: Final answer
    x = 700,667.14

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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.