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Finding the Fourth Proportional to 293,491.20, 440,211.20 and 96,499.20

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Solution

The fourth proportional to 293,491.20, 440,211.20 and 96,499.20 is: 144,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,491.20 : 440,211.20 = 96,499.20 : x
  2. Step 2: Convert to fraction form
    293,491.20/440,211.20 = 96,499.20/x
  3. Step 3: Cross multiply
    293,491.20x = 440,211.20 × 96,499.20
  4. Step 4: Simplify right side
    293,491.20x = 42,480,028,631.04
  5. Step 5: Solve for x
    x = 42,480,028,631.04/293,491.20
  6. Step 6: Final answer
    x = 144,740.38

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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.