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Finding the Fourth Proportional to 897,732, 1,238,896.08 and 495,349.92

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Solution

The fourth proportional to 897,732, 1,238,896.08 and 495,349.92 is: 683,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,732 : 1,238,896.08 = 495,349.92 : x
  2. Step 2: Convert to fraction form
    897,732/1,238,896.08 = 495,349.92/x
  3. Step 3: Cross multiply
    897,732x = 1,238,896.08 × 495,349.92
  4. Step 4: Simplify right side
    897,732x = 613,687,074,116.31
  5. Step 5: Solve for x
    x = 613,687,074,116.31/897,732
  6. Step 6: Final answer
    x = 683,597.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.