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Finding the Fourth Proportional to 484,642.96, 727,112.66 and 248,152.92

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Solution

The fourth proportional to 484,642.96, 727,112.66 and 248,152.92 is: 372,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,642.96 : 727,112.66 = 248,152.92 : x
  2. Step 2: Convert to fraction form
    484,642.96/727,112.66 = 248,152.92/x
  3. Step 3: Cross multiply
    484,642.96x = 727,112.66 × 248,152.92
  4. Step 4: Simplify right side
    484,642.96x = 180,435,129,747.97
  5. Step 5: Solve for x
    x = 180,435,129,747.97/484,642.96
  6. Step 6: Final answer
    x = 372,305.27

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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.