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Finding the Fourth Proportional to 297,685.60, 446,528.40 and 203,207.20

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Solution

The fourth proportional to 297,685.60, 446,528.40 and 203,207.20 is: 304,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,685.60 : 446,528.40 = 203,207.20 : x
  2. Step 2: Convert to fraction form
    297,685.60/446,528.40 = 203,207.20/x
  3. Step 3: Cross multiply
    297,685.60x = 446,528.40 × 203,207.20
  4. Step 4: Simplify right side
    297,685.60x = 90,737,785,884.48
  5. Step 5: Solve for x
    x = 90,737,785,884.48/297,685.60
  6. Step 6: Final answer
    x = 304,810.80

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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.