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Finding the Fourth Proportional to 437,611.10, 656,416.65 and 372,001.10

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Solution

The fourth proportional to 437,611.10, 656,416.65 and 372,001.10 is: 558,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,611.10 : 656,416.65 = 372,001.10 : x
  2. Step 2: Convert to fraction form
    437,611.10/656,416.65 = 372,001.10/x
  3. Step 3: Cross multiply
    437,611.10x = 656,416.65 × 372,001.10
  4. Step 4: Simplify right side
    437,611.10x = 244,187,715,858.32
  5. Step 5: Solve for x
    x = 244,187,715,858.32/437,611.10
  6. Step 6: Final answer
    x = 558,001.65

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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.