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Finding the Fourth Proportional to 595.36, 893.56 and 421.52

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Solution

The fourth proportional to 595.36, 893.56 and 421.52 is: 632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.36 : 893.56 = 421.52 : x
  2. Step 2: Convert to fraction form
    595.36/893.56 = 421.52/x
  3. Step 3: Cross multiply
    595.36x = 893.56 × 421.52
  4. Step 4: Simplify right side
    595.36x = 376,653.41
  5. Step 5: Solve for x
    x = 376,653.41/595.36
  6. Step 6: Final answer
    x = 632.65

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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.