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Finding the Fourth Proportional to 559,356.30, 839,155.95 and 204,369.75

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Solution

The fourth proportional to 559,356.30, 839,155.95 and 204,369.75 is: 306,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,356.30 : 839,155.95 = 204,369.75 : x
  2. Step 2: Convert to fraction form
    559,356.30/839,155.95 = 204,369.75/x
  3. Step 3: Cross multiply
    559,356.30x = 839,155.95 × 204,369.75
  4. Step 4: Simplify right side
    559,356.30x = 171,498,091,712.51
  5. Step 5: Solve for x
    x = 171,498,091,712.51/559,356.30
  6. Step 6: Final answer
    x = 306,599.02

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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.