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Finding the Fourth Proportional to 331,491.60, 497,237.40 and 296,499.60

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Solution

The fourth proportional to 331,491.60, 497,237.40 and 296,499.60 is: 444,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,491.60 : 497,237.40 = 296,499.60 : x
  2. Step 2: Convert to fraction form
    331,491.60/497,237.40 = 296,499.60/x
  3. Step 3: Cross multiply
    331,491.60x = 497,237.40 × 296,499.60
  4. Step 4: Simplify right side
    331,491.60x = 147,430,690,205.04
  5. Step 5: Solve for x
    x = 147,430,690,205.04/331,491.60
  6. Step 6: Final answer
    x = 444,749.40

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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.