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Finding the Fourth Proportional to 453,959.28, 626,275.80 and 270,161.10

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Solution

The fourth proportional to 453,959.28, 626,275.80 and 270,161.10 is: 372,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,959.28 : 626,275.80 = 270,161.10 : x
  2. Step 2: Convert to fraction form
    453,959.28/626,275.80 = 270,161.10/x
  3. Step 3: Cross multiply
    453,959.28x = 626,275.80 × 270,161.10
  4. Step 4: Simplify right side
    453,959.28x = 169,195,359,031.38
  5. Step 5: Solve for x
    x = 169,195,359,031.38/453,959.28
  6. Step 6: Final answer
    x = 372,710.43

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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.