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Finding the Fourth Proportional to 338,140.48, 466,628.16 and 187,234.24

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Solution

The fourth proportional to 338,140.48, 466,628.16 and 187,234.24 is: 258,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,140.48 : 466,628.16 = 187,234.24 : x
  2. Step 2: Convert to fraction form
    338,140.48/466,628.16 = 187,234.24/x
  3. Step 3: Cross multiply
    338,140.48x = 466,628.16 × 187,234.24
  4. Step 4: Simplify right side
    338,140.48x = 87,368,768,900.20
  5. Step 5: Solve for x
    x = 87,368,768,900.20/338,140.48
  6. Step 6: Final answer
    x = 258,380.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.