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Finding the Fourth Proportional to 359,010.30, 495,414 and 197,864.82

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Solution

The fourth proportional to 359,010.30, 495,414 and 197,864.82 is: 273,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,010.30 : 495,414 = 197,864.82 : x
  2. Step 2: Convert to fraction form
    359,010.30/495,414 = 197,864.82/x
  3. Step 3: Cross multiply
    359,010.30x = 495,414 × 197,864.82
  4. Step 4: Simplify right side
    359,010.30x = 98,025,001,935.48
  5. Step 5: Solve for x
    x = 98,025,001,935.48/359,010.30
  6. Step 6: Final answer
    x = 273,042.31

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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.