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Finding the Fourth Proportional to 617,793.20, 926,776.20 and 262,804.40

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Solution

The fourth proportional to 617,793.20, 926,776.20 and 262,804.40 is: 394,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,793.20 : 926,776.20 = 262,804.40 : x
  2. Step 2: Convert to fraction form
    617,793.20/926,776.20 = 262,804.40/x
  3. Step 3: Cross multiply
    617,793.20x = 926,776.20 × 262,804.40
  4. Step 4: Simplify right side
    617,793.20x = 243,560,863,175.28
  5. Step 5: Solve for x
    x = 243,560,863,175.28/617,793.20
  6. Step 6: Final answer
    x = 394,243.35

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1.5x scale

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.