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Finding the Fourth Proportional to 300,785.63, 415,084.16 and 179,932.01

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Solution

The fourth proportional to 300,785.63, 415,084.16 and 179,932.01 is: 248,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,785.63 : 415,084.16 = 179,932.01 : x
  2. Step 2: Convert to fraction form
    300,785.63/415,084.16 = 179,932.01/x
  3. Step 3: Cross multiply
    300,785.63x = 415,084.16 × 179,932.01
  4. Step 4: Simplify right side
    300,785.63x = 74,686,925,602.37
  5. Step 5: Solve for x
    x = 74,686,925,602.37/300,785.63
  6. Step 6: Final answer
    x = 248,306.17

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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.