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Finding the Fourth Proportional to 508,905.90, 763,358.85 and 296,037.90

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Solution

The fourth proportional to 508,905.90, 763,358.85 and 296,037.90 is: 444,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,905.90 : 763,358.85 = 296,037.90 : x
  2. Step 2: Convert to fraction form
    508,905.90/763,358.85 = 296,037.90/x
  3. Step 3: Cross multiply
    508,905.90x = 763,358.85 × 296,037.90
  4. Step 4: Simplify right side
    508,905.90x = 225,983,150,900.42
  5. Step 5: Solve for x
    x = 225,983,150,900.42/508,905.90
  6. Step 6: Final answer
    x = 444,056.85

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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.