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Finding the Fourth Proportional to 617,092.24, 926,495 and 317,786.80

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Solution

The fourth proportional to 617,092.24, 926,495 and 317,786.80 is: 477,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,092.24 : 926,495 = 317,786.80 : x
  2. Step 2: Convert to fraction form
    617,092.24/926,495 = 317,786.80/x
  3. Step 3: Cross multiply
    617,092.24x = 926,495 × 317,786.80
  4. Step 4: Simplify right side
    617,092.24x = 294,427,881,266
  5. Step 5: Solve for x
    x = 294,427,881,266/617,092.24
  6. Step 6: Final answer
    x = 477,121.35

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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.