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Finding the Fourth Proportional to 502,362.54, 693,261.13 and 272,920.73

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Solution

The fourth proportional to 502,362.54, 693,261.13 and 272,920.73 is: 376,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,362.54 : 693,261.13 = 272,920.73 : x
  2. Step 2: Convert to fraction form
    502,362.54/693,261.13 = 272,920.73/x
  3. Step 3: Cross multiply
    502,362.54x = 693,261.13 × 272,920.73
  4. Step 4: Simplify right side
    502,362.54x = 189,205,328,849.32
  5. Step 5: Solve for x
    x = 189,205,328,849.32/502,362.54
  6. Step 6: Final answer
    x = 376,631.05

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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.