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Finding the Fourth Proportional to 508,039.92, 700,773.80 and 326,439.76

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Solution

The fourth proportional to 508,039.92, 700,773.80 and 326,439.76 is: 450,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,039.92 : 700,773.80 = 326,439.76 : x
  2. Step 2: Convert to fraction form
    508,039.92/700,773.80 = 326,439.76/x
  3. Step 3: Cross multiply
    508,039.92x = 700,773.80 × 326,439.76
  4. Step 4: Simplify right side
    508,039.92x = 228,760,431,086.29
  5. Step 5: Solve for x
    x = 228,760,431,086.29/508,039.92
  6. Step 6: Final answer
    x = 450,280.42

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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.