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Finding the Fourth Proportional to 296,412.90, 444,665.76 and 96,687.12

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Solution

The fourth proportional to 296,412.90, 444,665.76 and 96,687.12 is: 145,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,412.90 : 444,665.76 = 96,687.12 : x
  2. Step 2: Convert to fraction form
    296,412.90/444,665.76 = 96,687.12/x
  3. Step 3: Cross multiply
    296,412.90x = 444,665.76 × 96,687.12
  4. Step 4: Simplify right side
    296,412.90x = 42,993,451,697.01
  5. Step 5: Solve for x
    x = 42,993,451,697.01/296,412.90
  6. Step 6: Final answer
    x = 145,045.82

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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.