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Finding the Fourth Proportional to 537,285.57, 805,757.13 and 177,389.34

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Solution

The fourth proportional to 537,285.57, 805,757.13 and 177,389.34 is: 266,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,285.57 : 805,757.13 = 177,389.34 : x
  2. Step 2: Convert to fraction form
    537,285.57/805,757.13 = 177,389.34/x
  3. Step 3: Cross multiply
    537,285.57x = 805,757.13 × 177,389.34
  4. Step 4: Simplify right side
    537,285.57x = 142,932,725,490.99
  5. Step 5: Solve for x
    x = 142,932,725,490.99/537,285.57
  6. Step 6: Final answer
    x = 266,027.48

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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.