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Finding the Fourth Proportional to 617,951.01, 926,178.00 and 262,217.71

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Solution

The fourth proportional to 617,951.01, 926,178.00 and 262,217.71 is: 393,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,951.01 : 926,178.00 = 262,217.71 : x
  2. Step 2: Convert to fraction form
    617,951.01/926,178.00 = 262,217.71/x
  3. Step 3: Cross multiply
    617,951.01x = 926,178.00 × 262,217.71
  4. Step 4: Simplify right side
    617,951.01x = 242,860,271,389.50
  5. Step 5: Solve for x
    x = 242,860,271,389.50/617,951.01
  6. Step 6: Final answer
    x = 393,008.94

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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.