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Finding the Fourth Proportional to 933.59, 1,396.91 and 562.07

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Solution

The fourth proportional to 933.59, 1,396.91 and 562.07 is: 841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.59 : 1,396.91 = 562.07 : x
  2. Step 2: Convert to fraction form
    933.59/1,396.91 = 562.07/x
  3. Step 3: Cross multiply
    933.59x = 1,396.91 × 562.07
  4. Step 4: Simplify right side
    933.59x = 785,166.10
  5. Step 5: Solve for x
    x = 785,166.10/933.59
  6. Step 6: Final answer
    x = 841.02

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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.