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Finding the Fourth Proportional to 294,575.40, 441,863.10 and 169,813.80

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Solution

The fourth proportional to 294,575.40, 441,863.10 and 169,813.80 is: 254,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,575.40 : 441,863.10 = 169,813.80 : x
  2. Step 2: Convert to fraction form
    294,575.40/441,863.10 = 169,813.80/x
  3. Step 3: Cross multiply
    294,575.40x = 441,863.10 × 169,813.80
  4. Step 4: Simplify right side
    294,575.40x = 75,034,452,090.78
  5. Step 5: Solve for x
    x = 75,034,452,090.78/294,575.40
  6. Step 6: Final answer
    x = 254,720.70

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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.