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Finding the Fourth Proportional to 480,153.80, 720,230.70 and 441,662.60

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Solution

The fourth proportional to 480,153.80, 720,230.70 and 441,662.60 is: 662,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,153.80 : 720,230.70 = 441,662.60 : x
  2. Step 2: Convert to fraction form
    480,153.80/720,230.70 = 441,662.60/x
  3. Step 3: Cross multiply
    480,153.80x = 720,230.70 × 441,662.60
  4. Step 4: Simplify right side
    480,153.80x = 318,098,963,561.82
  5. Step 5: Solve for x
    x = 318,098,963,561.82/480,153.80
  6. Step 6: Final answer
    x = 662,493.90

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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.