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Finding the Fourth Proportional to 1,185.17, 1,775.32 and 599.35

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Solution

The fourth proportional to 1,185.17, 1,775.32 and 599.35 is: 897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185.17 : 1,775.32 = 599.35 : x
  2. Step 2: Convert to fraction form
    1,185.17/1,775.32 = 599.35/x
  3. Step 3: Cross multiply
    1,185.17x = 1,775.32 × 599.35
  4. Step 4: Simplify right side
    1,185.17x = 1,064,038.04
  5. Step 5: Solve for x
    x = 1,064,038.04/1,185.17
  6. Step 6: Final answer
    x = 897.79

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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.