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Finding the Fourth Proportional to 475,264.44, 712,896.66 and 159,721.34

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Solution

The fourth proportional to 475,264.44, 712,896.66 and 159,721.34 is: 239,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,264.44 : 712,896.66 = 159,721.34 : x
  2. Step 2: Convert to fraction form
    475,264.44/712,896.66 = 159,721.34/x
  3. Step 3: Cross multiply
    475,264.44x = 712,896.66 × 159,721.34
  4. Step 4: Simplify right side
    475,264.44x = 113,864,809,816.72
  5. Step 5: Solve for x
    x = 113,864,809,816.72/475,264.44
  6. Step 6: Final answer
    x = 239,582.01

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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.