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Finding the Fourth Proportional to 502,585.44, 693,581.04 and 276,236.88

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Solution

The fourth proportional to 502,585.44, 693,581.04 and 276,236.88 is: 381,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,585.44 : 693,581.04 = 276,236.88 : x
  2. Step 2: Convert to fraction form
    502,585.44/693,581.04 = 276,236.88/x
  3. Step 3: Cross multiply
    502,585.44x = 693,581.04 × 276,236.88
  4. Step 4: Simplify right side
    502,585.44x = 191,592,662,516.76
  5. Step 5: Solve for x
    x = 191,592,662,516.76/502,585.44
  6. Step 6: Final answer
    x = 381,214.11

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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.