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Finding the Fourth Proportional to 1,005.49, 1,511.07 and 594.82

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Solution

The fourth proportional to 1,005.49, 1,511.07 and 594.82 is: 893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005.49 : 1,511.07 = 594.82 : x
  2. Step 2: Convert to fraction form
    1,005.49/1,511.07 = 594.82/x
  3. Step 3: Cross multiply
    1,005.49x = 1,511.07 × 594.82
  4. Step 4: Simplify right side
    1,005.49x = 898,814.66
  5. Step 5: Solve for x
    x = 898,814.66/1,005.49
  6. Step 6: Final answer
    x = 893.91

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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.