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Finding the Fourth Proportional to 359,006.20, 495,434.34 and 197,858.93

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Solution

The fourth proportional to 359,006.20, 495,434.34 and 197,858.93 is: 273,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,006.20 : 495,434.34 = 197,858.93 : x
  2. Step 2: Convert to fraction form
    359,006.20/495,434.34 = 197,858.93/x
  3. Step 3: Cross multiply
    359,006.20x = 495,434.34 × 197,858.93
  4. Step 4: Simplify right side
    359,006.20x = 98,026,105,920.48
  5. Step 5: Solve for x
    x = 98,026,105,920.48/359,006.20
  6. Step 6: Final answer
    x = 273,048.51

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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.