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Finding the Fourth Proportional to 595.48, 893.60 and 432.76

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Solution

The fourth proportional to 595.48, 893.60 and 432.76 is: 649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.48 : 893.60 = 432.76 : x
  2. Step 2: Convert to fraction form
    595.48/893.60 = 432.76/x
  3. Step 3: Cross multiply
    595.48x = 893.60 × 432.76
  4. Step 4: Simplify right side
    595.48x = 386,714.34
  5. Step 5: Solve for x
    x = 386,714.34/595.48
  6. Step 6: Final answer
    x = 649.42

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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.