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Finding the Fourth Proportional to 360,445.50, 497,180.45 and 231,179.22

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Solution

The fourth proportional to 360,445.50, 497,180.45 and 231,179.22 is: 318,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,445.50 : 497,180.45 = 231,179.22 : x
  2. Step 2: Convert to fraction form
    360,445.50/497,180.45 = 231,179.22/x
  3. Step 3: Cross multiply
    360,445.50x = 497,180.45 × 231,179.22
  4. Step 4: Simplify right side
    360,445.50x = 114,937,787,474.35
  5. Step 5: Solve for x
    x = 114,937,787,474.35/360,445.50
  6. Step 6: Final answer
    x = 318,877.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.