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Finding the Fourth Proportional to 543,324.70, 814,987.05 and 501,334.30

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Solution

The fourth proportional to 543,324.70, 814,987.05 and 501,334.30 is: 752,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,324.70 : 814,987.05 = 501,334.30 : x
  2. Step 2: Convert to fraction form
    543,324.70/814,987.05 = 501,334.30/x
  3. Step 3: Cross multiply
    543,324.70x = 814,987.05 × 501,334.30
  4. Step 4: Simplify right side
    543,324.70x = 408,580,962,220.82
  5. Step 5: Solve for x
    x = 408,580,962,220.82/543,324.70
  6. Step 6: Final answer
    x = 752,001.45

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Double scale
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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.