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Finding the Fourth Proportional to 338,633.30, 467,334.95 and 187,730.30

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Solution

The fourth proportional to 338,633.30, 467,334.95 and 187,730.30 is: 259,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,633.30 : 467,334.95 = 187,730.30 : x
  2. Step 2: Convert to fraction form
    338,633.30/467,334.95 = 187,730.30/x
  3. Step 3: Cross multiply
    338,633.30x = 467,334.95 × 187,730.30
  4. Step 4: Simplify right side
    338,633.30x = 87,732,931,519.06
  5. Step 5: Solve for x
    x = 87,732,931,519.06/338,633.30
  6. Step 6: Final answer
    x = 259,079.46

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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.