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Finding the Fourth Proportional to 338,783.08, 467,508.88 and 187,894.12

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Solution

The fourth proportional to 338,783.08, 467,508.88 and 187,894.12 is: 259,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,783.08 : 467,508.88 = 187,894.12 : x
  2. Step 2: Convert to fraction form
    338,783.08/467,508.88 = 187,894.12/x
  3. Step 3: Cross multiply
    338,783.08x = 467,508.88 × 187,894.12
  4. Step 4: Simplify right side
    338,783.08x = 87,842,169,599.79
  5. Step 5: Solve for x
    x = 87,842,169,599.79/338,783.08
  6. Step 6: Final answer
    x = 259,287.36

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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.