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Finding the Fourth Proportional to 359,162.56, 495,666.60 and 198,017.30

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Solution

The fourth proportional to 359,162.56, 495,666.60 and 198,017.30 is: 273,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,162.56 : 495,666.60 = 198,017.30 : x
  2. Step 2: Convert to fraction form
    359,162.56/495,666.60 = 198,017.30/x
  3. Step 3: Cross multiply
    359,162.56x = 495,666.60 × 198,017.30
  4. Step 4: Simplify right side
    359,162.56x = 98,150,561,832.18
  5. Step 5: Solve for x
    x = 98,150,561,832.18/359,162.56
  6. Step 6: Final answer
    x = 273,276.15

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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.