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Finding the Fourth Proportional to 1,510.08, 2,264.92 and 414.56

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Solution

The fourth proportional to 1,510.08, 2,264.92 and 414.56 is: 621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.08 : 2,264.92 = 414.56 : x
  2. Step 2: Convert to fraction form
    1,510.08/2,264.92 = 414.56/x
  3. Step 3: Cross multiply
    1,510.08x = 2,264.92 × 414.56
  4. Step 4: Simplify right side
    1,510.08x = 938,945.24
  5. Step 5: Solve for x
    x = 938,945.24/1,510.08
  6. Step 6: Final answer
    x = 621.79

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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.