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Finding the Fourth Proportional to 359,240.94, 495,741.06 and 198,099

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Solution

The fourth proportional to 359,240.94, 495,741.06 and 198,099 is: 273,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,240.94 : 495,741.06 = 198,099 : x
  2. Step 2: Convert to fraction form
    359,240.94/495,741.06 = 198,099/x
  3. Step 3: Cross multiply
    359,240.94x = 495,741.06 × 198,099
  4. Step 4: Simplify right side
    359,240.94x = 98,205,808,244.94
  5. Step 5: Solve for x
    x = 98,205,808,244.94/359,240.94
  6. Step 6: Final answer
    x = 273,370.31

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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.