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Finding the Fourth Proportional to 297,614.80, 415,727.60 and 297,614.80

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Solution

The fourth proportional to 297,614.80, 415,727.60 and 297,614.80 is: 415,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,614.80 : 415,727.60 = 297,614.80 : x
  2. Step 2: Convert to fraction form
    297,614.80/415,727.60 = 297,614.80/x
  3. Step 3: Cross multiply
    297,614.80x = 415,727.60 × 297,614.80
  4. Step 4: Simplify right side
    297,614.80x = 123,726,686,528.48
  5. Step 5: Solve for x
    x = 123,726,686,528.48/297,614.80
  6. Step 6: Final answer
    x = 415,727.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.