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Finding the Fourth Proportional to 372,961.52, 559,833.58 and 330,538.38

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Solution

The fourth proportional to 372,961.52, 559,833.58 and 330,538.38 is: 496,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,961.52 : 559,833.58 = 330,538.38 : x
  2. Step 2: Convert to fraction form
    372,961.52/559,833.58 = 330,538.38/x
  3. Step 3: Cross multiply
    372,961.52x = 559,833.58 × 330,538.38
  4. Step 4: Simplify right side
    372,961.52x = 185,046,484,602.80
  5. Step 5: Solve for x
    x = 185,046,484,602.80/372,961.52
  6. Step 6: Final answer
    x = 496,154.36

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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.