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Finding the Fourth Proportional to 576,717.37, 865,076.05 and 156,026.05

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Solution

The fourth proportional to 576,717.37, 865,076.05 and 156,026.05 is: 234,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,717.37 : 865,076.05 = 156,026.05 : x
  2. Step 2: Convert to fraction form
    576,717.37/865,076.05 = 156,026.05/x
  3. Step 3: Cross multiply
    576,717.37x = 865,076.05 × 156,026.05
  4. Step 4: Simplify right side
    576,717.37x = 134,974,397,063.45
  5. Step 5: Solve for x
    x = 134,974,397,063.45/576,717.37
  6. Step 6: Final answer
    x = 234,039.07

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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.