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Finding the Fourth Proportional to 360,443.08, 540,822.78 and 171,040.42

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Solution

The fourth proportional to 360,443.08, 540,822.78 and 171,040.42 is: 256,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,443.08 : 540,822.78 = 171,040.42 : x
  2. Step 2: Convert to fraction form
    360,443.08/540,822.78 = 171,040.42/x
  3. Step 3: Cross multiply
    360,443.08x = 540,822.78 × 171,040.42
  4. Step 4: Simplify right side
    360,443.08x = 92,502,555,436.77
  5. Step 5: Solve for x
    x = 92,502,555,436.77/360,443.08
  6. Step 6: Final answer
    x = 256,635.68

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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.