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Finding the Fourth Proportional to 362,812.60, 543,765.30 and 185,390.20

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Solution

The fourth proportional to 362,812.60, 543,765.30 and 185,390.20 is: 277,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,812.60 : 543,765.30 = 185,390.20 : x
  2. Step 2: Convert to fraction form
    362,812.60/543,765.30 = 185,390.20/x
  3. Step 3: Cross multiply
    362,812.60x = 543,765.30 × 185,390.20
  4. Step 4: Simplify right side
    362,812.60x = 100,808,757,720.06
  5. Step 5: Solve for x
    x = 100,808,757,720.06/362,812.60
  6. Step 6: Final answer
    x = 277,853.52

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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.