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Finding the Fourth Proportional to 359,363.64, 495,856.62 and 223,433.40

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Solution

The fourth proportional to 359,363.64, 495,856.62 and 223,433.40 is: 308,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,363.64 : 495,856.62 = 223,433.40 : x
  2. Step 2: Convert to fraction form
    359,363.64/495,856.62 = 223,433.40/x
  3. Step 3: Cross multiply
    359,363.64x = 495,856.62 × 223,433.40
  4. Step 4: Simplify right side
    359,363.64x = 110,790,930,519.11
  5. Step 5: Solve for x
    x = 110,790,930,519.11/359,363.64
  6. Step 6: Final answer
    x = 308,297.55

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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.