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Finding the Fourth Proportional to 1,024.86, 1,537.59 and 477.36

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Solution

The fourth proportional to 1,024.86, 1,537.59 and 477.36 is: 716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.86 : 1,537.59 = 477.36 : x
  2. Step 2: Convert to fraction form
    1,024.86/1,537.59 = 477.36/x
  3. Step 3: Cross multiply
    1,024.86x = 1,537.59 × 477.36
  4. Step 4: Simplify right side
    1,024.86x = 733,983.96
  5. Step 5: Solve for x
    x = 733,983.96/1,024.86
  6. Step 6: Final answer
    x = 716.18

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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.