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Finding the Fourth Proportional to 933.06, 1,398 and 585.62

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Solution

The fourth proportional to 933.06, 1,398 and 585.62 is: 877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.06 : 1,398 = 585.62 : x
  2. Step 2: Convert to fraction form
    933.06/1,398 = 585.62/x
  3. Step 3: Cross multiply
    933.06x = 1,398 × 585.62
  4. Step 4: Simplify right side
    933.06x = 818,689.77
  5. Step 5: Solve for x
    x = 818,689.77/933.06
  6. Step 6: Final answer
    x = 877.42

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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.