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Finding the Fourth Proportional to 366,863.20, 549,373.20 and 293,135.20

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Solution

The fourth proportional to 366,863.20, 549,373.20 and 293,135.20 is: 438,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,863.20 : 549,373.20 = 293,135.20 : x
  2. Step 2: Convert to fraction form
    366,863.20/549,373.20 = 293,135.20/x
  3. Step 3: Cross multiply
    366,863.20x = 549,373.20 × 293,135.20
  4. Step 4: Simplify right side
    366,863.20x = 161,040,622,856.64
  5. Step 5: Solve for x
    x = 161,040,622,856.64/366,863.20
  6. Step 6: Final answer
    x = 438,966.41

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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.