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Finding the Fourth Proportional to 359,059.28, 495,479.24 and 197,905.44

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Solution

The fourth proportional to 359,059.28, 495,479.24 and 197,905.44 is: 273,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,059.28 : 495,479.24 = 197,905.44 : x
  2. Step 2: Convert to fraction form
    359,059.28/495,479.24 = 197,905.44/x
  3. Step 3: Cross multiply
    359,059.28x = 495,479.24 × 197,905.44
  4. Step 4: Simplify right side
    359,059.28x = 98,058,037,003.07
  5. Step 5: Solve for x
    x = 98,058,037,003.07/359,059.28
  6. Step 6: Final answer
    x = 273,097.07

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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.