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Finding the Fourth Proportional to 366,380.52, 549,605.61 and 113,663.76

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Solution

The fourth proportional to 366,380.52, 549,605.61 and 113,663.76 is: 170,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,380.52 : 549,605.61 = 113,663.76 : x
  2. Step 2: Convert to fraction form
    366,380.52/549,605.61 = 113,663.76/x
  3. Step 3: Cross multiply
    366,380.52x = 549,605.61 × 113,663.76
  4. Step 4: Simplify right side
    366,380.52x = 62,470,241,120.86
  5. Step 5: Solve for x
    x = 62,470,241,120.86/366,380.52
  6. Step 6: Final answer
    x = 170,506.45

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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.