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Finding the Fourth Proportional to 359,063.34, 495,504.95 and 197,918.52

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Solution

The fourth proportional to 359,063.34, 495,504.95 and 197,918.52 is: 273,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,063.34 : 495,504.95 = 197,918.52 : x
  2. Step 2: Convert to fraction form
    359,063.34/495,504.95 = 197,918.52/x
  3. Step 3: Cross multiply
    359,063.34x = 495,504.95 × 197,918.52
  4. Step 4: Simplify right side
    359,063.34x = 98,069,605,367.08
  5. Step 5: Solve for x
    x = 98,069,605,367.08/359,063.34
  6. Step 6: Final answer
    x = 273,126.20

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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.