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Finding the Fourth Proportional to 480,039.84, 720,057.16 and 195,729.29

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Solution

The fourth proportional to 480,039.84, 720,057.16 and 195,729.29 is: 293,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,039.84 : 720,057.16 = 195,729.29 : x
  2. Step 2: Convert to fraction form
    480,039.84/720,057.16 = 195,729.29/x
  3. Step 3: Cross multiply
    480,039.84x = 720,057.16 × 195,729.29
  4. Step 4: Simplify right side
    480,039.84x = 140,936,276,686.22
  5. Step 5: Solve for x
    x = 140,936,276,686.22/480,039.84
  6. Step 6: Final answer
    x = 293,592.87

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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.