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Finding the Fourth Proportional to 502,864.86, 693,953.52 and 276,510.36

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Solution

The fourth proportional to 502,864.86, 693,953.52 and 276,510.36 is: 381,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,864.86 : 693,953.52 = 276,510.36 : x
  2. Step 2: Convert to fraction form
    502,864.86/693,953.52 = 276,510.36/x
  3. Step 3: Cross multiply
    502,864.86x = 693,953.52 × 276,510.36
  4. Step 4: Simplify right side
    502,864.86x = 191,885,336,255.92
  5. Step 5: Solve for x
    x = 191,885,336,255.92/502,864.86
  6. Step 6: Final answer
    x = 381,584.30

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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.