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Finding the Fourth Proportional to 359,201.59, 495,720.51 and 198,056.44

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Solution

The fourth proportional to 359,201.59, 495,720.51 and 198,056.44 is: 273,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,201.59 : 495,720.51 = 198,056.44 : x
  2. Step 2: Convert to fraction form
    359,201.59/495,720.51 = 198,056.44/x
  3. Step 3: Cross multiply
    359,201.59x = 495,720.51 × 198,056.44
  4. Step 4: Simplify right side
    359,201.59x = 98,180,639,322.52
  5. Step 5: Solve for x
    x = 98,180,639,322.52/359,201.59
  6. Step 6: Final answer
    x = 273,330.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.