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Finding the Fourth Proportional to 338,805.06, 507,797.37 and 188,886.12

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Solution

The fourth proportional to 338,805.06, 507,797.37 and 188,886.12 is: 283,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,805.06 : 507,797.37 = 188,886.12 : x
  2. Step 2: Convert to fraction form
    338,805.06/507,797.37 = 188,886.12/x
  3. Step 3: Cross multiply
    338,805.06x = 507,797.37 × 188,886.12
  4. Step 4: Simplify right side
    338,805.06x = 95,915,874,965.50
  5. Step 5: Solve for x
    x = 95,915,874,965.50/338,805.06
  6. Step 6: Final answer
    x = 283,100.48

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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.