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Finding the Fourth Proportional to 484,014.20, 726,021.30 and 465,643.40

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Solution

The fourth proportional to 484,014.20, 726,021.30 and 465,643.40 is: 698,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,014.20 : 726,021.30 = 465,643.40 : x
  2. Step 2: Convert to fraction form
    484,014.20/726,021.30 = 465,643.40/x
  3. Step 3: Cross multiply
    484,014.20x = 726,021.30 × 465,643.40
  4. Step 4: Simplify right side
    484,014.20x = 338,067,026,604.42
  5. Step 5: Solve for x
    x = 338,067,026,604.42/484,014.20
  6. Step 6: Final answer
    x = 698,465.10

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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.