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Finding the Fourth Proportional to 291,711.10, 437,566.65 and 197,232.70

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Solution

The fourth proportional to 291,711.10, 437,566.65 and 197,232.70 is: 295,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,711.10 : 437,566.65 = 197,232.70 : x
  2. Step 2: Convert to fraction form
    291,711.10/437,566.65 = 197,232.70/x
  3. Step 3: Cross multiply
    291,711.10x = 437,566.65 × 197,232.70
  4. Step 4: Simplify right side
    291,711.10x = 86,302,451,809.46
  5. Step 5: Solve for x
    x = 86,302,451,809.46/291,711.10
  6. Step 6: Final answer
    x = 295,849.05

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Similar ratio
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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.