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Finding the Fourth Proportional to 307,414.80, 461,208.60 and 130,006.80

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Solution

The fourth proportional to 307,414.80, 461,208.60 and 130,006.80 is: 195,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,414.80 : 461,208.60 = 130,006.80 : x
  2. Step 2: Convert to fraction form
    307,414.80/461,208.60 = 130,006.80/x
  3. Step 3: Cross multiply
    307,414.80x = 461,208.60 × 130,006.80
  4. Step 4: Simplify right side
    307,414.80x = 59,960,254,218.48
  5. Step 5: Solve for x
    x = 59,960,254,218.48/307,414.80
  6. Step 6: Final answer
    x = 195,046.74

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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.