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Finding the Fourth Proportional to 924,363.76, 1,386,079.08 and 450,338.80

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Solution

The fourth proportional to 924,363.76, 1,386,079.08 and 450,338.80 is: 675,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,363.76 : 1,386,079.08 = 450,338.80 : x
  2. Step 2: Convert to fraction form
    924,363.76/1,386,079.08 = 450,338.80/x
  3. Step 3: Cross multiply
    924,363.76x = 1,386,079.08 × 450,338.80
  4. Step 4: Simplify right side
    924,363.76x = 624,205,189,592.30
  5. Step 5: Solve for x
    x = 624,205,189,592.30/924,363.76
  6. Step 6: Final answer
    x = 675,280.90

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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.