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Finding the Fourth Proportional to 359,129.54, 495,601.98 and 197,990.27

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Solution

The fourth proportional to 359,129.54, 495,601.98 and 197,990.27 is: 273,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,129.54 : 495,601.98 = 197,990.27 : x
  2. Step 2: Convert to fraction form
    359,129.54/495,601.98 = 197,990.27/x
  3. Step 3: Cross multiply
    359,129.54x = 495,601.98 × 197,990.27
  4. Step 4: Simplify right side
    359,129.54x = 98,124,369,832.73
  5. Step 5: Solve for x
    x = 98,124,369,832.73/359,129.54
  6. Step 6: Final answer
    x = 273,228.34

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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.