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Finding the Fourth Proportional to 240,855.20, 360,937.20 and 177,178.40

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Solution

The fourth proportional to 240,855.20, 360,937.20 and 177,178.40 is: 265,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,855.20 : 360,937.20 = 177,178.40 : x
  2. Step 2: Convert to fraction form
    240,855.20/360,937.20 = 177,178.40/x
  3. Step 3: Cross multiply
    240,855.20x = 360,937.20 × 177,178.40
  4. Step 4: Simplify right side
    240,855.20x = 63,950,275,596.48
  5. Step 5: Solve for x
    x = 63,950,275,596.48/240,855.20
  6. Step 6: Final answer
    x = 265,513.37

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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.