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Finding the Fourth Proportional to 296,491.40, 444,807.90 and 96,812.16

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Solution

The fourth proportional to 296,491.40, 444,807.90 and 96,812.16 is: 145,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,491.40 : 444,807.90 = 96,812.16 : x
  2. Step 2: Convert to fraction form
    296,491.40/444,807.90 = 96,812.16/x
  3. Step 3: Cross multiply
    296,491.40x = 444,807.90 × 96,812.16
  4. Step 4: Simplify right side
    296,491.40x = 43,062,813,584.06
  5. Step 5: Solve for x
    x = 43,062,813,584.06/296,491.40
  6. Step 6: Final answer
    x = 145,241.36

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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.