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Finding the Fourth Proportional to 366,400.65, 549,679.46 and 113,675.70

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Solution

The fourth proportional to 366,400.65, 549,679.46 and 113,675.70 is: 170,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,400.65 : 549,679.46 = 113,675.70 : x
  2. Step 2: Convert to fraction form
    366,400.65/549,679.46 = 113,675.70/x
  3. Step 3: Cross multiply
    366,400.65x = 549,679.46 × 113,675.70
  4. Step 4: Simplify right side
    366,400.65x = 62,485,196,822.74
  5. Step 5: Solve for x
    x = 62,485,196,822.74/366,400.65
  6. Step 6: Final answer
    x = 170,537.90

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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.