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Finding the Fourth Proportional to 359,199.78, 495,435.15 and 244,274.15

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Solution

The fourth proportional to 359,199.78, 495,435.15 and 244,274.15 is: 336,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,199.78 : 495,435.15 = 244,274.15 : x
  2. Step 2: Convert to fraction form
    359,199.78/495,435.15 = 244,274.15/x
  3. Step 3: Cross multiply
    359,199.78x = 495,435.15 × 244,274.15
  4. Step 4: Simplify right side
    359,199.78x = 121,021,997,669.20
  5. Step 5: Solve for x
    x = 121,021,997,669.20/359,199.78
  6. Step 6: Final answer
    x = 336,921.14

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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.