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Finding the Fourth Proportional to 484,459.20, 726,400.80 and 297,604.80

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Solution

The fourth proportional to 484,459.20, 726,400.80 and 297,604.80 is: 446,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,459.20 : 726,400.80 = 297,604.80 : x
  2. Step 2: Convert to fraction form
    484,459.20/726,400.80 = 297,604.80/x
  3. Step 3: Cross multiply
    484,459.20x = 726,400.80 × 297,604.80
  4. Step 4: Simplify right side
    484,459.20x = 216,180,364,803.84
  5. Step 5: Solve for x
    x = 216,180,364,803.84/484,459.20
  6. Step 6: Final answer
    x = 446,230.28

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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.