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Finding the Fourth Proportional to 294,411.40, 441,617.10 and 276,696.70

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Solution

The fourth proportional to 294,411.40, 441,617.10 and 276,696.70 is: 415,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,411.40 : 441,617.10 = 276,696.70 : x
  2. Step 2: Convert to fraction form
    294,411.40/441,617.10 = 276,696.70/x
  3. Step 3: Cross multiply
    294,411.40x = 441,617.10 × 276,696.70
  4. Step 4: Simplify right side
    294,411.40x = 122,193,994,233.57
  5. Step 5: Solve for x
    x = 122,193,994,233.57/294,411.40
  6. Step 6: Final answer
    x = 415,045.05

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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.