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Finding the Fourth Proportional to 502,575.04, 693,553.92 and 276,220.48

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Solution

The fourth proportional to 502,575.04, 693,553.92 and 276,220.48 is: 381,184.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,575.04 : 693,553.92 = 276,220.48 : x
  2. Step 2: Convert to fraction form
    502,575.04/693,553.92 = 276,220.48/x
  3. Step 3: Cross multiply
    502,575.04x = 693,553.92 × 276,220.48
  4. Step 4: Simplify right side
    502,575.04x = 191,573,796,688.28
  5. Step 5: Solve for x
    x = 191,573,796,688.28/502,575.04
  6. Step 6: Final answer
    x = 381,184.46

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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.