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Finding the Fourth Proportional to 297,851.40, 446,834.70 and 87,496.20

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Solution

The fourth proportional to 297,851.40, 446,834.70 and 87,496.20 is: 131,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,851.40 : 446,834.70 = 87,496.20 : x
  2. Step 2: Convert to fraction form
    297,851.40/446,834.70 = 87,496.20/x
  3. Step 3: Cross multiply
    297,851.40x = 446,834.70 × 87,496.20
  4. Step 4: Simplify right side
    297,851.40x = 39,096,338,278.14
  5. Step 5: Solve for x
    x = 39,096,338,278.14/297,851.40
  6. Step 6: Final answer
    x = 131,261.22

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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.