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Finding the Fourth Proportional to 297,248.40, 445,872.60 and 292,327.65

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Solution

The fourth proportional to 297,248.40, 445,872.60 and 292,327.65 is: 438,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,248.40 : 445,872.60 = 292,327.65 : x
  2. Step 2: Convert to fraction form
    297,248.40/445,872.60 = 292,327.65/x
  3. Step 3: Cross multiply
    297,248.40x = 445,872.60 × 292,327.65
  4. Step 4: Simplify right side
    297,248.40x = 130,340,889,357.39
  5. Step 5: Solve for x
    x = 130,340,889,357.39/297,248.40
  6. Step 6: Final answer
    x = 438,491.48

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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.