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Finding the Fourth Proportional to 297,363.60, 446,045.40 and 75,747.60

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Solution

The fourth proportional to 297,363.60, 446,045.40 and 75,747.60 is: 113,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,363.60 : 446,045.40 = 75,747.60 : x
  2. Step 2: Convert to fraction form
    297,363.60/446,045.40 = 75,747.60/x
  3. Step 3: Cross multiply
    297,363.60x = 446,045.40 × 75,747.60
  4. Step 4: Simplify right side
    297,363.60x = 33,786,868,541.04
  5. Step 5: Solve for x
    x = 33,786,868,541.04/297,363.60
  6. Step 6: Final answer
    x = 113,621.40

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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.