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Finding the Fourth Proportional to 359,432.72, 495,927.99 and 236,911.52

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Solution

The fourth proportional to 359,432.72, 495,927.99 and 236,911.52 is: 326,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,432.72 : 495,927.99 = 236,911.52 : x
  2. Step 2: Convert to fraction form
    359,432.72/495,927.99 = 236,911.52/x
  3. Step 3: Cross multiply
    359,432.72x = 495,927.99 × 236,911.52
  4. Step 4: Simplify right side
    359,432.72x = 117,491,051,441.81
  5. Step 5: Solve for x
    x = 117,491,051,441.81/359,432.72
  6. Step 6: Final answer
    x = 326,879.13

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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.