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Finding the Fourth Proportional to 607,541.77, 910,314.14 and 207,964.56

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Solution

The fourth proportional to 607,541.77, 910,314.14 and 207,964.56 is: 311,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,541.77 : 910,314.14 = 207,964.56 : x
  2. Step 2: Convert to fraction form
    607,541.77/910,314.14 = 207,964.56/x
  3. Step 3: Cross multiply
    607,541.77x = 910,314.14 × 207,964.56
  4. Step 4: Simplify right side
    607,541.77x = 189,313,081,960.73
  5. Step 5: Solve for x
    x = 189,313,081,960.73/607,541.77
  6. Step 6: Final answer
    x = 311,605.05

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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.