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Finding the Fourth Proportional to 293,215.48, 404,638.14 and 159,079.48

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Solution

The fourth proportional to 293,215.48, 404,638.14 and 159,079.48 is: 219,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,215.48 : 404,638.14 = 159,079.48 : x
  2. Step 2: Convert to fraction form
    293,215.48/404,638.14 = 159,079.48/x
  3. Step 3: Cross multiply
    293,215.48x = 404,638.14 × 159,079.48
  4. Step 4: Simplify right side
    293,215.48x = 64,369,624,899.37
  5. Step 5: Solve for x
    x = 64,369,624,899.37/293,215.48
  6. Step 6: Final answer
    x = 219,530.10

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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.