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Finding the Fourth Proportional to 502,673.92, 693,672.42 and 276,317.80

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Solution

The fourth proportional to 502,673.92, 693,672.42 and 276,317.80 is: 381,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,673.92 : 693,672.42 = 276,317.80 : x
  2. Step 2: Convert to fraction form
    502,673.92/693,672.42 = 276,317.80/x
  3. Step 3: Cross multiply
    502,673.92x = 693,672.42 × 276,317.80
  4. Step 4: Simplify right side
    502,673.92x = 191,674,037,015.08
  5. Step 5: Solve for x
    x = 191,674,037,015.08/502,673.92
  6. Step 6: Final answer
    x = 381,308.90

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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.