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Finding the Fourth Proportional to 632.32, 946.87 and 529.35

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Solution

The fourth proportional to 632.32, 946.87 and 529.35 is: 792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.32 : 946.87 = 529.35 : x
  2. Step 2: Convert to fraction form
    632.32/946.87 = 529.35/x
  3. Step 3: Cross multiply
    632.32x = 946.87 × 529.35
  4. Step 4: Simplify right side
    632.32x = 501,225.63
  5. Step 5: Solve for x
    x = 501,225.63/632.32
  6. Step 6: Final answer
    x = 792.68

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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.