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Finding the Fourth Proportional to 551,318.54, 760,901.87 and 336,583.09

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Solution

The fourth proportional to 551,318.54, 760,901.87 and 336,583.09 is: 464,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,318.54 : 760,901.87 = 336,583.09 : x
  2. Step 2: Convert to fraction form
    551,318.54/760,901.87 = 336,583.09/x
  3. Step 3: Cross multiply
    551,318.54x = 760,901.87 × 336,583.09
  4. Step 4: Simplify right side
    551,318.54x = 256,106,702,591.38
  5. Step 5: Solve for x
    x = 256,106,702,591.38/551,318.54
  6. Step 6: Final answer
    x = 464,534.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.