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Finding the Fourth Proportional to 366,487.38, 549,731.48 and 100,228.23

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Solution

The fourth proportional to 366,487.38, 549,731.48 and 100,228.23 is: 150,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,487.38 : 549,731.48 = 100,228.23 : x
  2. Step 2: Convert to fraction form
    366,487.38/549,731.48 = 100,228.23/x
  3. Step 3: Cross multiply
    366,487.38x = 549,731.48 × 100,228.23
  4. Step 4: Simplify right side
    366,487.38x = 55,098,612,714.54
  5. Step 5: Solve for x
    x = 55,098,612,714.54/366,487.38
  6. Step 6: Final answer
    x = 150,342.46

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1.5x scale

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.