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Finding the Fourth Proportional to 893,506.80, 1,340,426.20 and 294,510

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Solution

The fourth proportional to 893,506.80, 1,340,426.20 and 294,510 is: 441,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,506.80 : 1,340,426.20 = 294,510 : x
  2. Step 2: Convert to fraction form
    893,506.80/1,340,426.20 = 294,510/x
  3. Step 3: Cross multiply
    893,506.80x = 1,340,426.20 × 294,510
  4. Step 4: Simplify right side
    893,506.80x = 394,768,920,162
  5. Step 5: Solve for x
    x = 394,768,920,162/893,506.80
  6. Step 6: Final answer
    x = 441,819.72

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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.