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Finding the Fourth Proportional to 273,545.40, 410,139.90 and 245,551.80

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Solution

The fourth proportional to 273,545.40, 410,139.90 and 245,551.80 is: 368,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,545.40 : 410,139.90 = 245,551.80 : x
  2. Step 2: Convert to fraction form
    273,545.40/410,139.90 = 245,551.80/x
  3. Step 3: Cross multiply
    273,545.40x = 410,139.90 × 245,551.80
  4. Step 4: Simplify right side
    273,545.40x = 100,710,590,696.82
  5. Step 5: Solve for x
    x = 100,710,590,696.82/273,545.40
  6. Step 6: Final answer
    x = 368,167.74

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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.