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Finding the Fourth Proportional to 1,024.37, 1,535.85 and 476.25

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Solution

The fourth proportional to 1,024.37, 1,535.85 and 476.25 is: 714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.37 : 1,535.85 = 476.25 : x
  2. Step 2: Convert to fraction form
    1,024.37/1,535.85 = 476.25/x
  3. Step 3: Cross multiply
    1,024.37x = 1,535.85 × 476.25
  4. Step 4: Simplify right side
    1,024.37x = 731,448.56
  5. Step 5: Solve for x
    x = 731,448.56/1,024.37
  6. Step 6: Final answer
    x = 714.05

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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.