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Finding the Fourth Proportional to 1,024.99, 1,536.85 and 476.47

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Solution

The fourth proportional to 1,024.99, 1,536.85 and 476.47 is: 714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.99 : 1,536.85 = 476.47 : x
  2. Step 2: Convert to fraction form
    1,024.99/1,536.85 = 476.47/x
  3. Step 3: Cross multiply
    1,024.99x = 1,536.85 × 476.47
  4. Step 4: Simplify right side
    1,024.99x = 732,262.92
  5. Step 5: Solve for x
    x = 732,262.92/1,024.99
  6. Step 6: Final answer
    x = 714.41

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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.