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Finding the Fourth Proportional to 484,205.64, 726,391.19 and 199,740.69

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Solution

The fourth proportional to 484,205.64, 726,391.19 and 199,740.69 is: 299,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,205.64 : 726,391.19 = 199,740.69 : x
  2. Step 2: Convert to fraction form
    484,205.64/726,391.19 = 199,740.69/x
  3. Step 3: Cross multiply
    484,205.64x = 726,391.19 × 199,740.69
  4. Step 4: Simplify right side
    484,205.64x = 145,089,877,500.52
  5. Step 5: Solve for x
    x = 145,089,877,500.52/484,205.64
  6. Step 6: Final answer
    x = 299,645.16

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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.