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Finding the Fourth Proportional to 501,671.93, 752,622.84 and 217,410.20

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Solution

The fourth proportional to 501,671.93, 752,622.84 and 217,410.20 is: 326,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,671.93 : 752,622.84 = 217,410.20 : x
  2. Step 2: Convert to fraction form
    501,671.93/752,622.84 = 217,410.20/x
  3. Step 3: Cross multiply
    501,671.93x = 752,622.84 × 217,410.20
  4. Step 4: Simplify right side
    501,671.93x = 163,627,878,405.85
  5. Step 5: Solve for x
    x = 163,627,878,405.85/501,671.93
  6. Step 6: Final answer
    x = 326,165.11

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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.