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Finding the Fourth Proportional to 592,000.70, 888,001.05 and 543,011.90

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Solution

The fourth proportional to 592,000.70, 888,001.05 and 543,011.90 is: 814,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,000.70 : 888,001.05 = 543,011.90 : x
  2. Step 2: Convert to fraction form
    592,000.70/888,001.05 = 543,011.90/x
  3. Step 3: Cross multiply
    592,000.70x = 888,001.05 × 543,011.90
  4. Step 4: Simplify right side
    592,000.70x = 482,195,137,362.50
  5. Step 5: Solve for x
    x = 482,195,137,362.50/592,000.70
  6. Step 6: Final answer
    x = 814,517.85

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Similar ratio
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1.5x scale

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.