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Finding the Fourth Proportional to 293,414.40, 404,956.80 and 180,316.80

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Solution

The fourth proportional to 293,414.40, 404,956.80 and 180,316.80 is: 248,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,414.40 : 404,956.80 = 180,316.80 : x
  2. Step 2: Convert to fraction form
    293,414.40/404,956.80 = 180,316.80/x
  3. Step 3: Cross multiply
    293,414.40x = 404,956.80 × 180,316.80
  4. Step 4: Simplify right side
    293,414.40x = 73,020,514,314.24
  5. Step 5: Solve for x
    x = 73,020,514,314.24/293,414.40
  6. Step 6: Final answer
    x = 248,864.79

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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.