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Finding the Fourth Proportional to 353,589.60, 487,926.48 and 224,518.56

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Solution

The fourth proportional to 353,589.60, 487,926.48 and 224,518.56 is: 309,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,589.60 : 487,926.48 = 224,518.56 : x
  2. Step 2: Convert to fraction form
    353,589.60/487,926.48 = 224,518.56/x
  3. Step 3: Cross multiply
    353,589.60x = 487,926.48 × 224,518.56
  4. Step 4: Simplify right side
    353,589.60x = 109,548,550,675.47
  5. Step 5: Solve for x
    x = 109,548,550,675.47/353,589.60
  6. Step 6: Final answer
    x = 309,818.36

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1.5x scale

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.