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Finding the Fourth Proportional to 584,109.20, 876,163.80 and 140,877.20

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Solution

The fourth proportional to 584,109.20, 876,163.80 and 140,877.20 is: 211,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,109.20 : 876,163.80 = 140,877.20 : x
  2. Step 2: Convert to fraction form
    584,109.20/876,163.80 = 140,877.20/x
  3. Step 3: Cross multiply
    584,109.20x = 876,163.80 × 140,877.20
  4. Step 4: Simplify right side
    584,109.20x = 123,431,502,885.36
  5. Step 5: Solve for x
    x = 123,431,502,885.36/584,109.20
  6. Step 6: Final answer
    x = 211,315.80

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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.