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Finding the Fourth Proportional to 359,095.64, 495,553.52 and 197,947.20

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Solution

The fourth proportional to 359,095.64, 495,553.52 and 197,947.20 is: 273,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,095.64 : 495,553.52 = 197,947.20 : x
  2. Step 2: Convert to fraction form
    359,095.64/495,553.52 = 197,947.20/x
  3. Step 3: Cross multiply
    359,095.64x = 495,553.52 × 197,947.20
  4. Step 4: Simplify right side
    359,095.64x = 98,093,431,734.14
  5. Step 5: Solve for x
    x = 98,093,431,734.14/359,095.64
  6. Step 6: Final answer
    x = 273,167.98

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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.