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Finding the Fourth Proportional to 502,680.16, 693,681.06 and 276,324.04

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Solution

The fourth proportional to 502,680.16, 693,681.06 and 276,324.04 is: 381,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,680.16 : 693,681.06 = 276,324.04 : x
  2. Step 2: Convert to fraction form
    502,680.16/693,681.06 = 276,324.04/x
  3. Step 3: Cross multiply
    502,680.16x = 693,681.06 × 276,324.04
  4. Step 4: Simplify right side
    502,680.16x = 191,680,752,970.68
  5. Step 5: Solve for x
    x = 191,680,752,970.68/502,680.16
  6. Step 6: Final answer
    x = 381,317.52

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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.