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Finding the Fourth Proportional to 366,254.40, 549,446.40 and 129,734.40

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Solution

The fourth proportional to 366,254.40, 549,446.40 and 129,734.40 is: 194,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,254.40 : 549,446.40 = 129,734.40 : x
  2. Step 2: Convert to fraction form
    366,254.40/549,446.40 = 129,734.40/x
  3. Step 3: Cross multiply
    366,254.40x = 549,446.40 × 129,734.40
  4. Step 4: Simplify right side
    366,254.40x = 71,282,099,036.16
  5. Step 5: Solve for x
    x = 71,282,099,036.16/366,254.40
  6. Step 6: Final answer
    x = 194,624.55

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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.