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Finding the Fourth Proportional to 529.92, 795.36 and 356.16

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Solution

The fourth proportional to 529.92, 795.36 and 356.16 is: 534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.92 : 795.36 = 356.16 : x
  2. Step 2: Convert to fraction form
    529.92/795.36 = 356.16/x
  3. Step 3: Cross multiply
    529.92x = 795.36 × 356.16
  4. Step 4: Simplify right side
    529.92x = 283,275.42
  5. Step 5: Solve for x
    x = 283,275.42/529.92
  6. Step 6: Final answer
    x = 534.56

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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.