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Finding the Fourth Proportional to 501,671.90, 752,622.77 and 217,410.17

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Solution

The fourth proportional to 501,671.90, 752,622.77 and 217,410.17 is: 326,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,671.90 : 752,622.77 = 217,410.17 : x
  2. Step 2: Convert to fraction form
    501,671.90/752,622.77 = 217,410.17/x
  3. Step 3: Cross multiply
    501,671.90x = 752,622.77 × 217,410.17
  4. Step 4: Simplify right side
    501,671.90x = 163,627,839,521.41
  5. Step 5: Solve for x
    x = 163,627,839,521.41/501,671.90
  6. Step 6: Final answer
    x = 326,165.05

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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.