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Finding the Fourth Proportional to 662,957.40, 993,852.90 and 396,823.80

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Solution

The fourth proportional to 662,957.40, 993,852.90 and 396,823.80 is: 594,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,957.40 : 993,852.90 = 396,823.80 : x
  2. Step 2: Convert to fraction form
    662,957.40/993,852.90 = 396,823.80/x
  3. Step 3: Cross multiply
    662,957.40x = 993,852.90 × 396,823.80
  4. Step 4: Simplify right side
    662,957.40x = 394,384,484,419.02
  5. Step 5: Solve for x
    x = 394,384,484,419.02/662,957.40
  6. Step 6: Final answer
    x = 594,886.62

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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.