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Finding the Fourth Proportional to 617,358.83, 926,504.81 and 262,622.57

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Solution

The fourth proportional to 617,358.83, 926,504.81 and 262,622.57 is: 394,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,358.83 : 926,504.81 = 262,622.57 : x
  2. Step 2: Convert to fraction form
    617,358.83/926,504.81 = 262,622.57/x
  3. Step 3: Cross multiply
    617,358.83x = 926,504.81 × 262,622.57
  4. Step 4: Simplify right side
    617,358.83x = 243,321,068,373.93
  5. Step 5: Solve for x
    x = 243,321,068,373.93/617,358.83
  6. Step 6: Final answer
    x = 394,132.32

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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.