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Finding the Fourth Proportional to 617,593.20, 926,476.20 and 262,604.40

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Solution

The fourth proportional to 617,593.20, 926,476.20 and 262,604.40 is: 393,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,593.20 : 926,476.20 = 262,604.40 : x
  2. Step 2: Convert to fraction form
    617,593.20/926,476.20 = 262,604.40/x
  3. Step 3: Cross multiply
    617,593.20x = 926,476.20 × 262,604.40
  4. Step 4: Simplify right side
    617,593.20x = 243,296,726,615.28
  5. Step 5: Solve for x
    x = 243,296,726,615.28/617,593.20
  6. Step 6: Final answer
    x = 393,943.34

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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.