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Finding the Fourth Proportional to 632.32, 948.48 and 524.32

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Solution

The fourth proportional to 632.32, 948.48 and 524.32 is: 786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.32 : 948.48 = 524.32 : x
  2. Step 2: Convert to fraction form
    632.32/948.48 = 524.32/x
  3. Step 3: Cross multiply
    632.32x = 948.48 × 524.32
  4. Step 4: Simplify right side
    632.32x = 497,307.03
  5. Step 5: Solve for x
    x = 497,307.03/632.32
  6. Step 6: Final answer
    x = 786.48

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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.