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Finding the Fourth Proportional to 338,964.70, 467,770 and 186,005.46

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Solution

The fourth proportional to 338,964.70, 467,770 and 186,005.46 is: 256,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,964.70 : 467,770 = 186,005.46 : x
  2. Step 2: Convert to fraction form
    338,964.70/467,770 = 186,005.46/x
  3. Step 3: Cross multiply
    338,964.70x = 467,770 × 186,005.46
  4. Step 4: Simplify right side
    338,964.70x = 87,007,774,024.20
  5. Step 5: Solve for x
    x = 87,007,774,024.20/338,964.70
  6. Step 6: Final answer
    x = 256,686.83

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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.