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Finding the Fourth Proportional to 502,158.28, 692,976.06 and 272,713.96

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Solution

The fourth proportional to 502,158.28, 692,976.06 and 272,713.96 is: 376,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,158.28 : 692,976.06 = 272,713.96 : x
  2. Step 2: Convert to fraction form
    502,158.28/692,976.06 = 272,713.96/x
  3. Step 3: Cross multiply
    502,158.28x = 692,976.06 × 272,713.96
  4. Step 4: Simplify right side
    502,158.28x = 188,984,245,507.80
  5. Step 5: Solve for x
    x = 188,984,245,507.80/502,158.28
  6. Step 6: Final answer
    x = 376,343.98

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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.