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Finding the Fourth Proportional to 366,867.20, 549,379.20 and 293,139.20

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Solution

The fourth proportional to 366,867.20, 549,379.20 and 293,139.20 is: 438,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,867.20 : 549,379.20 = 293,139.20 : x
  2. Step 2: Convert to fraction form
    366,867.20/549,379.20 = 293,139.20/x
  3. Step 3: Cross multiply
    366,867.20x = 549,379.20 × 293,139.20
  4. Step 4: Simplify right side
    366,867.20x = 161,044,579,184.64
  5. Step 5: Solve for x
    x = 161,044,579,184.64/366,867.20
  6. Step 6: Final answer
    x = 438,972.41

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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.