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Finding the Fourth Proportional to 362,649.80, 543,974.70 and 360,025.40

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Solution

The fourth proportional to 362,649.80, 543,974.70 and 360,025.40 is: 540,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,649.80 : 543,974.70 = 360,025.40 : x
  2. Step 2: Convert to fraction form
    362,649.80/543,974.70 = 360,025.40/x
  3. Step 3: Cross multiply
    362,649.80x = 543,974.70 × 360,025.40
  4. Step 4: Simplify right side
    362,649.80x = 195,844,708,957.38
  5. Step 5: Solve for x
    x = 195,844,708,957.38/362,649.80
  6. Step 6: Final answer
    x = 540,038.10

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Similar ratio
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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.