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Finding the Fourth Proportional to 718,882.56, 1,078,462.08 and 275,616

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Solution

The fourth proportional to 718,882.56, 1,078,462.08 and 275,616 is: 413,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,882.56 : 1,078,462.08 = 275,616 : x
  2. Step 2: Convert to fraction form
    718,882.56/1,078,462.08 = 275,616/x
  3. Step 3: Cross multiply
    718,882.56x = 1,078,462.08 × 275,616
  4. Step 4: Simplify right side
    718,882.56x = 297,241,404,641.28
  5. Step 5: Solve for x
    x = 297,241,404,641.28/718,882.56
  6. Step 6: Final answer
    x = 413,477.00

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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.