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Finding the Fourth Proportional to 366,386.65, 549,658.35 and 113,661.66

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Solution

The fourth proportional to 366,386.65, 549,658.35 and 113,661.66 is: 170,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,386.65 : 549,658.35 = 113,661.66 : x
  2. Step 2: Convert to fraction form
    366,386.65/549,658.35 = 113,661.66/x
  3. Step 3: Cross multiply
    366,386.65x = 549,658.35 × 113,661.66
  4. Step 4: Simplify right side
    366,386.65x = 62,475,080,493.86
  5. Step 5: Solve for x
    x = 62,475,080,493.86/366,386.65
  6. Step 6: Final answer
    x = 170,516.80

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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.