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Finding the Fourth Proportional to 359,157.44, 495,638.56 and 198,008.96

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Solution

The fourth proportional to 359,157.44, 495,638.56 and 198,008.96 is: 273,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,157.44 : 495,638.56 = 198,008.96 : x
  2. Step 2: Convert to fraction form
    359,157.44/495,638.56 = 198,008.96/x
  3. Step 3: Cross multiply
    359,157.44x = 495,638.56 × 198,008.96
  4. Step 4: Simplify right side
    359,157.44x = 98,140,875,801.50
  5. Step 5: Solve for x
    x = 98,140,875,801.50/359,157.44
  6. Step 6: Final answer
    x = 273,253.08

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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.