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Finding the Fourth Proportional to 536,863.70, 805,277.08 and 137,507.93

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Solution

The fourth proportional to 536,863.70, 805,277.08 and 137,507.93 is: 206,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,863.70 : 805,277.08 = 137,507.93 : x
  2. Step 2: Convert to fraction form
    536,863.70/805,277.08 = 137,507.93/x
  3. Step 3: Cross multiply
    536,863.70x = 805,277.08 × 137,507.93
  4. Step 4: Simplify right side
    536,863.70x = 110,731,984,347.24
  5. Step 5: Solve for x
    x = 110,731,984,347.24/536,863.70
  6. Step 6: Final answer
    x = 206,257.16

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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.