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Finding the Fourth Proportional to 1,017.54, 1,523.04 and 529.92

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Solution

The fourth proportional to 1,017.54, 1,523.04 and 529.92 is: 793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017.54 : 1,523.04 = 529.92 : x
  2. Step 2: Convert to fraction form
    1,017.54/1,523.04 = 529.92/x
  3. Step 3: Cross multiply
    1,017.54x = 1,523.04 × 529.92
  4. Step 4: Simplify right side
    1,017.54x = 807,089.36
  5. Step 5: Solve for x
    x = 807,089.36/1,017.54
  6. Step 6: Final answer
    x = 793.18

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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.