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Finding the Fourth Proportional to 359,619.77, 496,255.95 and 223,649.89

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Solution

The fourth proportional to 359,619.77, 496,255.95 and 223,649.89 is: 308,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,619.77 : 496,255.95 = 223,649.89 : x
  2. Step 2: Convert to fraction form
    359,619.77/496,255.95 = 223,649.89/x
  3. Step 3: Cross multiply
    359,619.77x = 496,255.95 × 223,649.89
  4. Step 4: Simplify right side
    359,619.77x = 110,987,587,388.71
  5. Step 5: Solve for x
    x = 110,987,587,388.71/359,619.77
  6. Step 6: Final answer
    x = 308,624.82

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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.