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Finding the Fourth Proportional to 946.29, 1,417.35 and 579.96

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Solution

The fourth proportional to 946.29, 1,417.35 and 579.96 is: 868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.29 : 1,417.35 = 579.96 : x
  2. Step 2: Convert to fraction form
    946.29/1,417.35 = 579.96/x
  3. Step 3: Cross multiply
    946.29x = 1,417.35 × 579.96
  4. Step 4: Simplify right side
    946.29x = 822,006.31
  5. Step 5: Solve for x
    x = 822,006.31/946.29
  6. Step 6: Final answer
    x = 868.66

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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.