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Finding the Fourth Proportional to 529.23, 794.19 and 285.93

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Solution

The fourth proportional to 529.23, 794.19 and 285.93 is: 429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.23 : 794.19 = 285.93 : x
  2. Step 2: Convert to fraction form
    529.23/794.19 = 285.93/x
  3. Step 3: Cross multiply
    529.23x = 794.19 × 285.93
  4. Step 4: Simplify right side
    529.23x = 227,082.75
  5. Step 5: Solve for x
    x = 227,082.75/529.23
  6. Step 6: Final answer
    x = 429.08

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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.