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Finding the Fourth Proportional to 297,907.46, 446,609.28 and 129,301.05

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Solution

The fourth proportional to 297,907.46, 446,609.28 and 129,301.05 is: 193,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,907.46 : 446,609.28 = 129,301.05 : x
  2. Step 2: Convert to fraction form
    297,907.46/446,609.28 = 129,301.05/x
  3. Step 3: Cross multiply
    297,907.46x = 446,609.28 × 129,301.05
  4. Step 4: Simplify right side
    297,907.46x = 57,747,048,843.74
  5. Step 5: Solve for x
    x = 57,747,048,843.74/297,907.46
  6. Step 6: Final answer
    x = 193,842.24

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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.