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Finding the Fourth Proportional to 484,433.20, 726,649.80 and 360,017.20

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Solution

The fourth proportional to 484,433.20, 726,649.80 and 360,017.20 is: 540,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,433.20 : 726,649.80 = 360,017.20 : x
  2. Step 2: Convert to fraction form
    484,433.20/726,649.80 = 360,017.20/x
  3. Step 3: Cross multiply
    484,433.20x = 726,649.80 × 360,017.20
  4. Step 4: Simplify right side
    484,433.20x = 261,606,426,376.56
  5. Step 5: Solve for x
    x = 261,606,426,376.56/484,433.20
  6. Step 6: Final answer
    x = 540,025.80

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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.