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Finding the Fourth Proportional to 533,259.68, 736,083.68 and 306,995.36

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Solution

The fourth proportional to 533,259.68, 736,083.68 and 306,995.36 is: 423,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,259.68 : 736,083.68 = 306,995.36 : x
  2. Step 2: Convert to fraction form
    533,259.68/736,083.68 = 306,995.36/x
  3. Step 3: Cross multiply
    533,259.68x = 736,083.68 × 306,995.36
  4. Step 4: Simplify right side
    533,259.68x = 225,974,274,331.73
  5. Step 5: Solve for x
    x = 225,974,274,331.73/533,259.68
  6. Step 6: Final answer
    x = 423,760.29

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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.