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Finding the Fourth Proportional to 366,963.85, 550,445.78 and 157,011.85

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Solution

The fourth proportional to 366,963.85, 550,445.78 and 157,011.85 is: 235,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,963.85 : 550,445.78 = 157,011.85 : x
  2. Step 2: Convert to fraction form
    366,963.85/550,445.78 = 157,011.85/x
  3. Step 3: Cross multiply
    366,963.85x = 550,445.78 × 157,011.85
  4. Step 4: Simplify right side
    366,963.85x = 86,426,510,242.49
  5. Step 5: Solve for x
    x = 86,426,510,242.49/366,963.85
  6. Step 6: Final answer
    x = 235,517.78

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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.