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Finding the Fourth Proportional to 300,817.01, 415,115.58 and 179,886.24

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Solution

The fourth proportional to 300,817.01, 415,115.58 and 179,886.24 is: 248,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,817.01 : 415,115.58 = 179,886.24 : x
  2. Step 2: Convert to fraction form
    300,817.01/415,115.58 = 179,886.24/x
  3. Step 3: Cross multiply
    300,817.01x = 415,115.58 × 179,886.24
  4. Step 4: Simplify right side
    300,817.01x = 74,673,578,776.04
  5. Step 5: Solve for x
    x = 74,673,578,776.04/300,817.01
  6. Step 6: Final answer
    x = 248,235.89

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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.