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Finding the Fourth Proportional to 418,668.25, 577,744.68 and 237,392.47

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Solution

The fourth proportional to 418,668.25, 577,744.68 and 237,392.47 is: 327,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,668.25 : 577,744.68 = 237,392.47 : x
  2. Step 2: Convert to fraction form
    418,668.25/577,744.68 = 237,392.47/x
  3. Step 3: Cross multiply
    418,668.25x = 577,744.68 × 237,392.47
  4. Step 4: Simplify right side
    418,668.25x = 137,152,236,614.56
  5. Step 5: Solve for x
    x = 137,152,236,614.56/418,668.25
  6. Step 6: Final answer
    x = 327,591.68

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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.