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Finding the Fourth Proportional to 437,349.59, 656,094.68 and 153,033.78

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Solution

The fourth proportional to 437,349.59, 656,094.68 and 153,033.78 is: 229,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,349.59 : 656,094.68 = 153,033.78 : x
  2. Step 2: Convert to fraction form
    437,349.59/656,094.68 = 153,033.78/x
  3. Step 3: Cross multiply
    437,349.59x = 656,094.68 × 153,033.78
  4. Step 4: Simplify right side
    437,349.59x = 100,404,648,153.12
  5. Step 5: Solve for x
    x = 100,404,648,153.12/437,349.59
  6. Step 6: Final answer
    x = 229,575.27

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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.