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Finding the Fourth Proportional to 435,494.07, 652,908.87 and 198,671.13

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Solution

The fourth proportional to 435,494.07, 652,908.87 and 198,671.13 is: 297,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,494.07 : 652,908.87 = 198,671.13 : x
  2. Step 2: Convert to fraction form
    435,494.07/652,908.87 = 198,671.13/x
  3. Step 3: Cross multiply
    435,494.07x = 652,908.87 × 198,671.13
  4. Step 4: Simplify right side
    435,494.07x = 129,714,142,989.92
  5. Step 5: Solve for x
    x = 129,714,142,989.92/435,494.07
  6. Step 6: Final answer
    x = 297,855.13

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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.