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Finding the Fourth Proportional to 652,411.20, 978,616.80 and 597,298.80

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Solution

The fourth proportional to 652,411.20, 978,616.80 and 597,298.80 is: 895,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,411.20 : 978,616.80 = 597,298.80 : x
  2. Step 2: Convert to fraction form
    652,411.20/978,616.80 = 597,298.80/x
  3. Step 3: Cross multiply
    652,411.20x = 978,616.80 × 597,298.80
  4. Step 4: Simplify right side
    652,411.20x = 584,526,640,299.84
  5. Step 5: Solve for x
    x = 584,526,640,299.84/652,411.20
  6. Step 6: Final answer
    x = 895,948.20

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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.