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Finding the Fourth Proportional to 515,294.84, 772,580.08 and 226,969.64

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Solution

The fourth proportional to 515,294.84, 772,580.08 and 226,969.64 is: 340,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,294.84 : 772,580.08 = 226,969.64 : x
  2. Step 2: Convert to fraction form
    515,294.84/772,580.08 = 226,969.64/x
  3. Step 3: Cross multiply
    515,294.84x = 772,580.08 × 226,969.64
  4. Step 4: Simplify right side
    515,294.84x = 175,352,226,930.87
  5. Step 5: Solve for x
    x = 175,352,226,930.87/515,294.84
  6. Step 6: Final answer
    x = 340,294.94

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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.