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Finding the Fourth Proportional to 362,260.20, 543,390.30 and 303,648.60

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Solution

The fourth proportional to 362,260.20, 543,390.30 and 303,648.60 is: 455,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,260.20 : 543,390.30 = 303,648.60 : x
  2. Step 2: Convert to fraction form
    362,260.20/543,390.30 = 303,648.60/x
  3. Step 3: Cross multiply
    362,260.20x = 543,390.30 × 303,648.60
  4. Step 4: Simplify right side
    362,260.20x = 164,999,703,848.58
  5. Step 5: Solve for x
    x = 164,999,703,848.58/362,260.20
  6. Step 6: Final answer
    x = 455,472.90

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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.