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Finding the Fourth Proportional to 536,669.82, 805,032.18 and 137,314.08

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Solution

The fourth proportional to 536,669.82, 805,032.18 and 137,314.08 is: 205,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,669.82 : 805,032.18 = 137,314.08 : x
  2. Step 2: Convert to fraction form
    536,669.82/805,032.18 = 137,314.08/x
  3. Step 3: Cross multiply
    536,669.82x = 805,032.18 × 137,314.08
  4. Step 4: Simplify right side
    536,669.82x = 110,542,253,167.09
  5. Step 5: Solve for x
    x = 110,542,253,167.09/536,669.82
  6. Step 6: Final answer
    x = 205,978.14

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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.