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Finding the Fourth Proportional to 484,220.90, 726,331.35 and 462,448.10

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Solution

The fourth proportional to 484,220.90, 726,331.35 and 462,448.10 is: 693,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,220.90 : 726,331.35 = 462,448.10 : x
  2. Step 2: Convert to fraction form
    484,220.90/726,331.35 = 462,448.10/x
  3. Step 3: Cross multiply
    484,220.90x = 726,331.35 × 462,448.10
  4. Step 4: Simplify right side
    484,220.90x = 335,890,552,777.94
  5. Step 5: Solve for x
    x = 335,890,552,777.94/484,220.90
  6. Step 6: Final answer
    x = 693,672.15

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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.