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Finding the Fourth Proportional to 718,898.56, 1,078,486.08 and 275,632

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Solution

The fourth proportional to 718,898.56, 1,078,486.08 and 275,632 is: 413,501.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,898.56 : 1,078,486.08 = 275,632 : x
  2. Step 2: Convert to fraction form
    718,898.56/1,078,486.08 = 275,632/x
  3. Step 3: Cross multiply
    718,898.56x = 1,078,486.08 × 275,632
  4. Step 4: Simplify right side
    718,898.56x = 297,265,275,202.56
  5. Step 5: Solve for x
    x = 297,265,275,202.56/718,898.56
  6. Step 6: Final answer
    x = 413,501.00

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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.