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Finding the Fourth Proportional to 658,071.26, 986,452.97 and 457,971.27

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Solution

The fourth proportional to 658,071.26, 986,452.97 and 457,971.27 is: 686,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,071.26 : 986,452.97 = 457,971.27 : x
  2. Step 2: Convert to fraction form
    658,071.26/986,452.97 = 457,971.27/x
  3. Step 3: Cross multiply
    658,071.26x = 986,452.97 × 457,971.27
  4. Step 4: Simplify right side
    658,071.26x = 451,767,119,466.17
  5. Step 5: Solve for x
    x = 451,767,119,466.17/658,071.26
  6. Step 6: Final answer
    x = 686,501.82

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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.