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Finding the Fourth Proportional to 338,498.84, 467,109.38 and 185,507.88

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Solution

The fourth proportional to 338,498.84, 467,109.38 and 185,507.88 is: 255,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,498.84 : 467,109.38 = 185,507.88 : x
  2. Step 2: Convert to fraction form
    338,498.84/467,109.38 = 185,507.88/x
  3. Step 3: Cross multiply
    338,498.84x = 467,109.38 × 185,507.88
  4. Step 4: Simplify right side
    338,498.84x = 86,652,470,811.91
  5. Step 5: Solve for x
    x = 86,652,470,811.91/338,498.84
  6. Step 6: Final answer
    x = 255,990.45

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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.