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Finding the Fourth Proportional to 307,957.60, 461,677.20 and 160,213.60

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Solution

The fourth proportional to 307,957.60, 461,677.20 and 160,213.60 is: 240,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,957.60 : 461,677.20 = 160,213.60 : x
  2. Step 2: Convert to fraction form
    307,957.60/461,677.20 = 160,213.60/x
  3. Step 3: Cross multiply
    307,957.60x = 461,677.20 × 160,213.60
  4. Step 4: Simplify right side
    307,957.60x = 73,966,966,249.92
  5. Step 5: Solve for x
    x = 73,966,966,249.92/307,957.60
  6. Step 6: Final answer
    x = 240,185.55

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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.