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Finding the Fourth Proportional to 576,060.48, 864,089.75 and 238,876.11

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Solution

The fourth proportional to 576,060.48, 864,089.75 and 238,876.11 is: 358,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,060.48 : 864,089.75 = 238,876.11 : x
  2. Step 2: Convert to fraction form
    576,060.48/864,089.75 = 238,876.11/x
  3. Step 3: Cross multiply
    576,060.48x = 864,089.75 × 238,876.11
  4. Step 4: Simplify right side
    576,060.48x = 206,410,398,768.06
  5. Step 5: Solve for x
    x = 206,410,398,768.06/576,060.48
  6. Step 6: Final answer
    x = 358,313.76

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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.