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Finding the Fourth Proportional to 1,569.35, 2,353.95 and 529.85

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Solution

The fourth proportional to 1,569.35, 2,353.95 and 529.85 is: 794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.35 : 2,353.95 = 529.85 : x
  2. Step 2: Convert to fraction form
    1,569.35/2,353.95 = 529.85/x
  3. Step 3: Cross multiply
    1,569.35x = 2,353.95 × 529.85
  4. Step 4: Simplify right side
    1,569.35x = 1,247,228.64
  5. Step 5: Solve for x
    x = 1,247,228.64/1,569.35
  6. Step 6: Final answer
    x = 794.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.