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Finding the Fourth Proportional to 366,184.80, 548,110.80 and 261,208.80

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Solution

The fourth proportional to 366,184.80, 548,110.80 and 261,208.80 is: 390,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,184.80 : 548,110.80 = 261,208.80 : x
  2. Step 2: Convert to fraction form
    366,184.80/548,110.80 = 261,208.80/x
  3. Step 3: Cross multiply
    366,184.80x = 548,110.80 × 261,208.80
  4. Step 4: Simplify right side
    366,184.80x = 143,171,364,335.04
  5. Step 5: Solve for x
    x = 143,171,364,335.04/366,184.80
  6. Step 6: Final answer
    x = 390,981.18

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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.