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Finding the Fourth Proportional to 897,716, 1,238,874 and 495,333.92

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Solution

The fourth proportional to 897,716, 1,238,874 and 495,333.92 is: 683,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,716 : 1,238,874 = 495,333.92 : x
  2. Step 2: Convert to fraction form
    897,716/1,238,874 = 495,333.92/x
  3. Step 3: Cross multiply
    897,716x = 1,238,874 × 495,333.92
  4. Step 4: Simplify right side
    897,716x = 613,656,314,806.08
  5. Step 5: Solve for x
    x = 613,656,314,806.08/897,716
  6. Step 6: Final answer
    x = 683,575.11

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