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Finding the Fourth Proportional to 269,030.20, 403,545.30 and 174,551.80

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Solution

The fourth proportional to 269,030.20, 403,545.30 and 174,551.80 is: 261,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,030.20 : 403,545.30 = 174,551.80 : x
  2. Step 2: Convert to fraction form
    269,030.20/403,545.30 = 174,551.80/x
  3. Step 3: Cross multiply
    269,030.20x = 403,545.30 × 174,551.80
  4. Step 4: Simplify right side
    269,030.20x = 70,439,558,496.54
  5. Step 5: Solve for x
    x = 70,439,558,496.54/269,030.20
  6. Step 6: Final answer
    x = 261,827.70

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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.