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Finding the Fourth Proportional to 702,909.30, 1,054,363.95 and 675,353.10

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Solution

The fourth proportional to 702,909.30, 1,054,363.95 and 675,353.10 is: 1,013,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,909.30 : 1,054,363.95 = 675,353.10 : x
  2. Step 2: Convert to fraction form
    702,909.30/1,054,363.95 = 675,353.10/x
  3. Step 3: Cross multiply
    702,909.30x = 1,054,363.95 × 675,353.10
  4. Step 4: Simplify right side
    702,909.30x = 712,067,962,160.75
  5. Step 5: Solve for x
    x = 712,067,962,160.75/702,909.30
  6. Step 6: Final answer
    x = 1,013,029.65

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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.