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Finding the Fourth Proportional to 359,009.30, 495,412.62 and 197,863.86

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Solution

The fourth proportional to 359,009.30, 495,412.62 and 197,863.86 is: 273,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,009.30 : 495,412.62 = 197,863.86 : x
  2. Step 2: Convert to fraction form
    359,009.30/495,412.62 = 197,863.86/x
  3. Step 3: Cross multiply
    359,009.30x = 495,412.62 × 197,863.86
  4. Step 4: Simplify right side
    359,009.30x = 98,024,253,285.91
  5. Step 5: Solve for x
    x = 98,024,253,285.91/359,009.30
  6. Step 6: Final answer
    x = 273,040.99

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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.