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Finding the Fourth Proportional to 502,433.68, 693,358.32 and 276,093.76

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Solution

The fourth proportional to 502,433.68, 693,358.32 and 276,093.76 is: 381,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,433.68 : 693,358.32 = 276,093.76 : x
  2. Step 2: Convert to fraction form
    502,433.68/693,358.32 = 276,093.76/x
  3. Step 3: Cross multiply
    502,433.68x = 693,358.32 × 276,093.76
  4. Step 4: Simplify right side
    502,433.68x = 191,431,905,596.08
  5. Step 5: Solve for x
    x = 191,431,905,596.08/502,433.68
  6. Step 6: Final answer
    x = 381,009.30

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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.