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Finding the Fourth Proportional to 510,357.70, 765,536.55 and 244,637.20

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Solution

The fourth proportional to 510,357.70, 765,536.55 and 244,637.20 is: 366,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,357.70 : 765,536.55 = 244,637.20 : x
  2. Step 2: Convert to fraction form
    510,357.70/765,536.55 = 244,637.20/x
  3. Step 3: Cross multiply
    510,357.70x = 765,536.55 × 244,637.20
  4. Step 4: Simplify right side
    510,357.70x = 187,278,718,089.66
  5. Step 5: Solve for x
    x = 187,278,718,089.66/510,357.70
  6. Step 6: Final answer
    x = 366,955.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.