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Finding the Fourth Proportional to 478,803.34, 718,205.01 and 123,853.24

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Solution

The fourth proportional to 478,803.34, 718,205.01 and 123,853.24 is: 185,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,803.34 : 718,205.01 = 123,853.24 : x
  2. Step 2: Convert to fraction form
    478,803.34/718,205.01 = 123,853.24/x
  3. Step 3: Cross multiply
    478,803.34x = 718,205.01 × 123,853.24
  4. Step 4: Simplify right side
    478,803.34x = 88,952,017,472.73
  5. Step 5: Solve for x
    x = 88,952,017,472.73/478,803.34
  6. Step 6: Final answer
    x = 185,779.86

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Similar ratio
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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.