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Finding the Fourth Proportional to 926.16, 1,388.52 and 596.76

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Solution

The fourth proportional to 926.16, 1,388.52 and 596.76 is: 894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.16 : 1,388.52 = 596.76 : x
  2. Step 2: Convert to fraction form
    926.16/1,388.52 = 596.76/x
  3. Step 3: Cross multiply
    926.16x = 1,388.52 × 596.76
  4. Step 4: Simplify right side
    926.16x = 828,613.20
  5. Step 5: Solve for x
    x = 828,613.20/926.16
  6. Step 6: Final answer
    x = 894.68

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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.