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Finding the Fourth Proportional to 904.18, 1,355.64 and 596.14

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Solution

The fourth proportional to 904.18, 1,355.64 and 596.14 is: 893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.18 : 1,355.64 = 596.14 : x
  2. Step 2: Convert to fraction form
    904.18/1,355.64 = 596.14/x
  3. Step 3: Cross multiply
    904.18x = 1,355.64 × 596.14
  4. Step 4: Simplify right side
    904.18x = 808,151.23
  5. Step 5: Solve for x
    x = 808,151.23/904.18
  6. Step 6: Final answer
    x = 893.79

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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.