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Finding the Fourth Proportional to 498,410.01, 747,352.31 and 217,599.21

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Solution

The fourth proportional to 498,410.01, 747,352.31 and 217,599.21 is: 326,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,410.01 : 747,352.31 = 217,599.21 : x
  2. Step 2: Convert to fraction form
    498,410.01/747,352.31 = 217,599.21/x
  3. Step 3: Cross multiply
    498,410.01x = 747,352.31 × 217,599.21
  4. Step 4: Simplify right side
    498,410.01x = 162,623,271,159.68
  5. Step 5: Solve for x
    x = 162,623,271,159.68/498,410.01
  6. Step 6: Final answer
    x = 326,284.12

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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.