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Finding the Fourth Proportional to 414,588.42, 620,886.08 and 236,555.69

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Solution

The fourth proportional to 414,588.42, 620,886.08 and 236,555.69 is: 354,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,588.42 : 620,886.08 = 236,555.69 : x
  2. Step 2: Convert to fraction form
    414,588.42/620,886.08 = 236,555.69/x
  3. Step 3: Cross multiply
    414,588.42x = 620,886.08 × 236,555.69
  4. Step 4: Simplify right side
    414,588.42x = 146,874,130,778.59
  5. Step 5: Solve for x
    x = 146,874,130,778.59/414,588.42
  6. Step 6: Final answer
    x = 354,264.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.