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Finding the Fourth Proportional to 293,801.72, 405,297.14 and 191,886.89

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Solution

The fourth proportional to 293,801.72, 405,297.14 and 191,886.89 is: 264,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,801.72 : 405,297.14 = 191,886.89 : x
  2. Step 2: Convert to fraction form
    293,801.72/405,297.14 = 191,886.89/x
  3. Step 3: Cross multiply
    293,801.72x = 405,297.14 × 191,886.89
  4. Step 4: Simplify right side
    293,801.72x = 77,771,204,734.57
  5. Step 5: Solve for x
    x = 77,771,204,734.57/293,801.72
  6. Step 6: Final answer
    x = 264,706.44

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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.