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Finding the Fourth Proportional to 359,195.12, 495,692.64 and 198,055.96

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Solution

The fourth proportional to 359,195.12, 495,692.64 and 198,055.96 is: 273,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,195.12 : 495,692.64 = 198,055.96 : x
  2. Step 2: Convert to fraction form
    359,195.12/495,692.64 = 198,055.96/x
  3. Step 3: Cross multiply
    359,195.12x = 495,692.64 × 198,055.96
  4. Step 4: Simplify right side
    359,195.12x = 98,174,881,680.13
  5. Step 5: Solve for x
    x = 98,174,881,680.13/359,195.12
  6. Step 6: Final answer
    x = 273,319.09

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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.