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Finding the Fourth Proportional to 359,856.12, 496,616.22 and 223,970.52

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Solution

The fourth proportional to 359,856.12, 496,616.22 and 223,970.52 is: 309,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,856.12 : 496,616.22 = 223,970.52 : x
  2. Step 2: Convert to fraction form
    359,856.12/496,616.22 = 223,970.52/x
  3. Step 3: Cross multiply
    359,856.12x = 496,616.22 × 223,970.52
  4. Step 4: Simplify right side
    359,856.12x = 111,227,393,033.83
  5. Step 5: Solve for x
    x = 111,227,393,033.83/359,856.12
  6. Step 6: Final answer
    x = 309,088.51

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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.