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Finding the Fourth Proportional to 452,442.59, 678,747.29 and 148,853.81

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Solution

The fourth proportional to 452,442.59, 678,747.29 and 148,853.81 is: 223,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,442.59 : 678,747.29 = 148,853.81 : x
  2. Step 2: Convert to fraction form
    452,442.59/678,747.29 = 148,853.81/x
  3. Step 3: Cross multiply
    452,442.59x = 678,747.29 × 148,853.81
  4. Step 4: Simplify right side
    452,442.59x = 101,034,120,143.68
  5. Step 5: Solve for x
    x = 101,034,120,143.68/452,442.59
  6. Step 6: Final answer
    x = 223,308.16

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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.