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Finding the Fourth Proportional to 366,242.16, 549,448.92 and 113,509.44

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Solution

The fourth proportional to 366,242.16, 549,448.92 and 113,509.44 is: 170,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,242.16 : 549,448.92 = 113,509.44 : x
  2. Step 2: Convert to fraction form
    366,242.16/549,448.92 = 113,509.44/x
  3. Step 3: Cross multiply
    366,242.16x = 549,448.92 × 113,509.44
  4. Step 4: Simplify right side
    366,242.16x = 62,367,639,217.80
  5. Step 5: Solve for x
    x = 62,367,639,217.80/366,242.16
  6. Step 6: Final answer
    x = 170,290.71

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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.