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Finding the Fourth Proportional to 544,574.34, 816,939.27 and 170,626.50

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Solution

The fourth proportional to 544,574.34, 816,939.27 and 170,626.50 is: 255,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,574.34 : 816,939.27 = 170,626.50 : x
  2. Step 2: Convert to fraction form
    544,574.34/816,939.27 = 170,626.50/x
  3. Step 3: Cross multiply
    544,574.34x = 816,939.27 × 170,626.50
  4. Step 4: Simplify right side
    544,574.34x = 139,391,488,352.66
  5. Step 5: Solve for x
    x = 139,391,488,352.66/544,574.34
  6. Step 6: Final answer
    x = 255,964.11

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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.