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Finding the Fourth Proportional to 359,224.47, 495,720 and 198,076.59

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Solution

The fourth proportional to 359,224.47, 495,720 and 198,076.59 is: 273,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,224.47 : 495,720 = 198,076.59 : x
  2. Step 2: Convert to fraction form
    359,224.47/495,720 = 198,076.59/x
  3. Step 3: Cross multiply
    359,224.47x = 495,720 × 198,076.59
  4. Step 4: Simplify right side
    359,224.47x = 98,190,527,194.80
  5. Step 5: Solve for x
    x = 98,190,527,194.80/359,224.47
  6. Step 6: Final answer
    x = 273,340.31

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1.5x scale

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.