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Finding the Fourth Proportional to 442,221.60, 610,267.88 and 251,245.48

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Solution

The fourth proportional to 442,221.60, 610,267.88 and 251,245.48 is: 346,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,221.60 : 610,267.88 = 251,245.48 : x
  2. Step 2: Convert to fraction form
    442,221.60/610,267.88 = 251,245.48/x
  3. Step 3: Cross multiply
    442,221.60x = 610,267.88 × 251,245.48
  4. Step 4: Simplify right side
    442,221.60x = 153,327,046,439.18
  5. Step 5: Solve for x
    x = 153,327,046,439.18/442,221.60
  6. Step 6: Final answer
    x = 346,719.94

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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.