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Finding the Fourth Proportional to 675,363.20, 1,013,044.80 and 610,044.80

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Solution

The fourth proportional to 675,363.20, 1,013,044.80 and 610,044.80 is: 915,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,363.20 : 1,013,044.80 = 610,044.80 : x
  2. Step 2: Convert to fraction form
    675,363.20/1,013,044.80 = 610,044.80/x
  3. Step 3: Cross multiply
    675,363.20x = 1,013,044.80 × 610,044.80
  4. Step 4: Simplify right side
    675,363.20x = 618,002,712,407.04
  5. Step 5: Solve for x
    x = 618,002,712,407.04/675,363.20
  6. Step 6: Final answer
    x = 915,067.20

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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.