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Finding the Fourth Proportional to 247,282.70, 370,347.21 and 180,557.33

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Solution

The fourth proportional to 247,282.70, 370,347.21 and 180,557.33 is: 270,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,282.70 : 370,347.21 = 180,557.33 : x
  2. Step 2: Convert to fraction form
    247,282.70/370,347.21 = 180,557.33/x
  3. Step 3: Cross multiply
    247,282.70x = 370,347.21 × 180,557.33
  4. Step 4: Simplify right side
    247,282.70x = 66,868,901,558.81
  5. Step 5: Solve for x
    x = 66,868,901,558.81/247,282.70
  6. Step 6: Final answer
    x = 270,414.80

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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.