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Finding the Fourth Proportional to 363,445.38, 545,241.24 and 126,724.50

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Solution

The fourth proportional to 363,445.38, 545,241.24 and 126,724.50 is: 190,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,445.38 : 545,241.24 = 126,724.50 : x
  2. Step 2: Convert to fraction form
    363,445.38/545,241.24 = 126,724.50/x
  3. Step 3: Cross multiply
    363,445.38x = 545,241.24 × 126,724.50
  4. Step 4: Simplify right side
    363,445.38x = 69,095,423,518.38
  5. Step 5: Solve for x
    x = 69,095,423,518.38/363,445.38
  6. Step 6: Final answer
    x = 190,112.26

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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.