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Finding the Fourth Proportional to 366,374.40, 549,640.05 and 113,649.42

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Solution

The fourth proportional to 366,374.40, 549,640.05 and 113,649.42 is: 170,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,374.40 : 549,640.05 = 113,649.42 : x
  2. Step 2: Convert to fraction form
    366,374.40/549,640.05 = 113,649.42/x
  3. Step 3: Cross multiply
    366,374.40x = 549,640.05 × 113,649.42
  4. Step 4: Simplify right side
    366,374.40x = 62,466,272,891.27
  5. Step 5: Solve for x
    x = 62,466,272,891.27/366,374.40
  6. Step 6: Final answer
    x = 170,498.47

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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.