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Finding the Fourth Proportional to 1,037.55, 1,431.81 and 595.36

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Solution

The fourth proportional to 1,037.55, 1,431.81 and 595.36 is: 821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.55 : 1,431.81 = 595.36 : x
  2. Step 2: Convert to fraction form
    1,037.55/1,431.81 = 595.36/x
  3. Step 3: Cross multiply
    1,037.55x = 1,431.81 × 595.36
  4. Step 4: Simplify right side
    1,037.55x = 852,442.40
  5. Step 5: Solve for x
    x = 852,442.40/1,037.55
  6. Step 6: Final answer
    x = 821.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.