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Finding the Fourth Proportional to 595.94, 893.12 and 431.96

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Solution

The fourth proportional to 595.94, 893.12 and 431.96 is: 647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.94 : 893.12 = 431.96 : x
  2. Step 2: Convert to fraction form
    595.94/893.12 = 431.96/x
  3. Step 3: Cross multiply
    595.94x = 893.12 × 431.96
  4. Step 4: Simplify right side
    595.94x = 385,792.12
  5. Step 5: Solve for x
    x = 385,792.12/595.94
  6. Step 6: Final answer
    x = 647.37

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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.