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Finding the Fourth Proportional to 502,268.48, 753,319.92 and 165,313.52

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Solution

The fourth proportional to 502,268.48, 753,319.92 and 165,313.52 is: 247,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,268.48 : 753,319.92 = 165,313.52 : x
  2. Step 2: Convert to fraction form
    502,268.48/753,319.92 = 165,313.52/x
  3. Step 3: Cross multiply
    502,268.48x = 753,319.92 × 165,313.52
  4. Step 4: Simplify right side
    502,268.48x = 124,533,967,661.32
  5. Step 5: Solve for x
    x = 124,533,967,661.32/502,268.48
  6. Step 6: Final answer
    x = 247,943.03

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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.