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Finding the Fourth Proportional to 356.06, 529.93 and 352.64

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Solution

The fourth proportional to 356.06, 529.93 and 352.64 is: 524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.06 : 529.93 = 352.64 : x
  2. Step 2: Convert to fraction form
    356.06/529.93 = 352.64/x
  3. Step 3: Cross multiply
    356.06x = 529.93 × 352.64
  4. Step 4: Simplify right side
    356.06x = 186,872.31
  5. Step 5: Solve for x
    x = 186,872.31/356.06
  6. Step 6: Final answer
    x = 524.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.