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Finding the Fourth Proportional to 294,781, 406,863.44 and 187,330.08

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Solution

The fourth proportional to 294,781, 406,863.44 and 187,330.08 is: 258,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,781 : 406,863.44 = 187,330.08 : x
  2. Step 2: Convert to fraction form
    294,781/406,863.44 = 187,330.08/x
  3. Step 3: Cross multiply
    294,781x = 406,863.44 × 187,330.08
  4. Step 4: Simplify right side
    294,781x = 76,217,760,764.28
  5. Step 5: Solve for x
    x = 76,217,760,764.28/294,781
  6. Step 6: Final answer
    x = 258,557.24

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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.