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Finding the Fourth Proportional to 437,165.32, 655,807.61 and 152,789.86

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Solution

The fourth proportional to 437,165.32, 655,807.61 and 152,789.86 is: 229,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,165.32 : 655,807.61 = 152,789.86 : x
  2. Step 2: Convert to fraction form
    437,165.32/655,807.61 = 152,789.86/x
  3. Step 3: Cross multiply
    437,165.32x = 655,807.61 × 152,789.86
  4. Step 4: Simplify right side
    437,165.32x = 100,200,752,918.84
  5. Step 5: Solve for x
    x = 100,200,752,918.84/437,165.32
  6. Step 6: Final answer
    x = 229,205.63

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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.