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Finding the Fourth Proportional to 373,200.27, 559,658.53 and 120,442.87

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Solution

The fourth proportional to 373,200.27, 559,658.53 and 120,442.87 is: 180,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,200.27 : 559,658.53 = 120,442.87 : x
  2. Step 2: Convert to fraction form
    373,200.27/559,658.53 = 120,442.87/x
  3. Step 3: Cross multiply
    373,200.27x = 559,658.53 × 120,442.87
  4. Step 4: Simplify right side
    373,200.27x = 67,406,877,275.23
  5. Step 5: Solve for x
    x = 67,406,877,275.23/373,200.27
  6. Step 6: Final answer
    x = 180,618.51

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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.