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Finding the Fourth Proportional to 437,423.76, 656,135.67 and 104,999.76

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Solution

The fourth proportional to 437,423.76, 656,135.67 and 104,999.76 is: 157,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,423.76 : 656,135.67 = 104,999.76 : x
  2. Step 2: Convert to fraction form
    437,423.76/656,135.67 = 104,999.76/x
  3. Step 3: Cross multiply
    437,423.76x = 656,135.67 × 104,999.76
  4. Step 4: Simplify right side
    437,423.76x = 68,894,087,877.44
  5. Step 5: Solve for x
    x = 68,894,087,877.44/437,423.76
  6. Step 6: Final answer
    x = 157,499.65

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Similar ratio
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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.