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Finding the Fourth Proportional to 517,268.61, 775,903.34 and 247,333.24

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Solution

The fourth proportional to 517,268.61, 775,903.34 and 247,333.24 is: 371,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,268.61 : 775,903.34 = 247,333.24 : x
  2. Step 2: Convert to fraction form
    517,268.61/775,903.34 = 247,333.24/x
  3. Step 3: Cross multiply
    517,268.61x = 775,903.34 × 247,333.24
  4. Step 4: Simplify right side
    517,268.61x = 191,906,685,323.89
  5. Step 5: Solve for x
    x = 191,906,685,323.89/517,268.61
  6. Step 6: Final answer
    x = 371,000.06

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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.