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Finding the Fourth Proportional to 264,658.20, 396,987.30 and 146,560.20

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Solution

The fourth proportional to 264,658.20, 396,987.30 and 146,560.20 is: 219,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,658.20 : 396,987.30 = 146,560.20 : x
  2. Step 2: Convert to fraction form
    264,658.20/396,987.30 = 146,560.20/x
  3. Step 3: Cross multiply
    264,658.20x = 396,987.30 × 146,560.20
  4. Step 4: Simplify right side
    264,658.20x = 58,182,538,085.46
  5. Step 5: Solve for x
    x = 58,182,538,085.46/264,658.20
  6. Step 6: Final answer
    x = 219,840.30

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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.