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Finding the Fourth Proportional to 526,014.92, 725,864.13 and 296,580.41

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Solution

The fourth proportional to 526,014.92, 725,864.13 and 296,580.41 is: 409,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,014.92 : 725,864.13 = 296,580.41 : x
  2. Step 2: Convert to fraction form
    526,014.92/725,864.13 = 296,580.41/x
  3. Step 3: Cross multiply
    526,014.92x = 725,864.13 × 296,580.41
  4. Step 4: Simplify right side
    526,014.92x = 215,277,081,279.69
  5. Step 5: Solve for x
    x = 215,277,081,279.69/526,014.92
  6. Step 6: Final answer
    x = 409,260.41

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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.