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Finding the Fourth Proportional to 537,127.73, 805,679.89 and 252,660.60

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Solution

The fourth proportional to 537,127.73, 805,679.89 and 252,660.60 is: 378,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,127.73 : 805,679.89 = 252,660.60 : x
  2. Step 2: Convert to fraction form
    537,127.73/805,679.89 = 252,660.60/x
  3. Step 3: Cross multiply
    537,127.73x = 805,679.89 × 252,660.60
  4. Step 4: Simplify right side
    537,127.73x = 203,563,565,768.07
  5. Step 5: Solve for x
    x = 203,563,565,768.07/537,127.73
  6. Step 6: Final answer
    x = 378,985.40

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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.