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Finding the Fourth Proportional to 617,714.87, 926,355.20 and 185,303.39

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Solution

The fourth proportional to 617,714.87, 926,355.20 and 185,303.39 is: 277,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,714.87 : 926,355.20 = 185,303.39 : x
  2. Step 2: Convert to fraction form
    617,714.87/926,355.20 = 185,303.39/x
  3. Step 3: Cross multiply
    617,714.87x = 926,355.20 × 185,303.39
  4. Step 4: Simplify right side
    617,714.87x = 171,656,753,345.84
  5. Step 5: Solve for x
    x = 171,656,753,345.84/617,714.87
  6. Step 6: Final answer
    x = 277,889.95

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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.