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Finding the Fourth Proportional to 273,875.20, 410,812.80 and 270,188.80

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Solution

The fourth proportional to 273,875.20, 410,812.80 and 270,188.80 is: 405,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,875.20 : 410,812.80 = 270,188.80 : x
  2. Step 2: Convert to fraction form
    273,875.20/410,812.80 = 270,188.80/x
  3. Step 3: Cross multiply
    273,875.20x = 410,812.80 × 270,188.80
  4. Step 4: Simplify right side
    273,875.20x = 110,997,017,456.64
  5. Step 5: Solve for x
    x = 110,997,017,456.64/273,875.20
  6. Step 6: Final answer
    x = 405,283.20

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1.5x scale

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.