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Finding the Fourth Proportional to 508,328.52, 762,232.44 and 268,571.16

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Solution

The fourth proportional to 508,328.52, 762,232.44 and 268,571.16 is: 402,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,328.52 : 762,232.44 = 268,571.16 : x
  2. Step 2: Convert to fraction form
    508,328.52/762,232.44 = 268,571.16/x
  3. Step 3: Cross multiply
    508,328.52x = 762,232.44 × 268,571.16
  4. Step 4: Simplify right side
    508,328.52x = 204,713,650,600.43
  5. Step 5: Solve for x
    x = 204,713,650,600.43/508,328.52
  6. Step 6: Final answer
    x = 402,719.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.