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Finding the Fourth Proportional to 366,383.30, 549,609.78 and 113,666.54

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Solution

The fourth proportional to 366,383.30, 549,609.78 and 113,666.54 is: 170,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,383.30 : 549,609.78 = 113,666.54 : x
  2. Step 2: Convert to fraction form
    366,383.30/549,609.78 = 113,666.54/x
  3. Step 3: Cross multiply
    366,383.30x = 549,609.78 × 113,666.54
  4. Step 4: Simplify right side
    366,383.30x = 62,472,239,294.71
  5. Step 5: Solve for x
    x = 62,472,239,294.71/366,383.30
  6. Step 6: Final answer
    x = 170,510.61

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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.