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Finding the Fourth Proportional to 529,263.81, 794,014.79 and 174,265.11

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Solution

The fourth proportional to 529,263.81, 794,014.79 and 174,265.11 is: 261,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,263.81 : 794,014.79 = 174,265.11 : x
  2. Step 2: Convert to fraction form
    529,263.81/794,014.79 = 174,265.11/x
  3. Step 3: Cross multiply
    529,263.81x = 794,014.79 × 174,265.11
  4. Step 4: Simplify right side
    529,263.81x = 138,369,073,849.65
  5. Step 5: Solve for x
    x = 138,369,073,849.65/529,263.81
  6. Step 6: Final answer
    x = 261,436.87

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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.