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Finding the Fourth Proportional to 536,893.34, 805,923.51 and 217,265.19

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Solution

The fourth proportional to 536,893.34, 805,923.51 and 217,265.19 is: 326,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,893.34 : 805,923.51 = 217,265.19 : x
  2. Step 2: Convert to fraction form
    536,893.34/805,923.51 = 217,265.19/x
  3. Step 3: Cross multiply
    536,893.34x = 805,923.51 × 217,265.19
  4. Step 4: Simplify right side
    536,893.34x = 175,099,124,525.62
  5. Step 5: Solve for x
    x = 175,099,124,525.62/536,893.34
  6. Step 6: Final answer
    x = 326,133.91

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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.