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Finding the Fourth Proportional to 595.81, 893.61 and 230.40

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Solution

The fourth proportional to 595.81, 893.61 and 230.40 is: 345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.81 : 893.61 = 230.40 : x
  2. Step 2: Convert to fraction form
    595.81/893.61 = 230.40/x
  3. Step 3: Cross multiply
    595.81x = 893.61 × 230.40
  4. Step 4: Simplify right side
    595.81x = 205,887.74
  5. Step 5: Solve for x
    x = 205,887.74/595.81
  6. Step 6: Final answer
    x = 345.56

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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.