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Finding the Fourth Proportional to 932.37, 1,400.40 and 586.32

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Solution

The fourth proportional to 932.37, 1,400.40 and 586.32 is: 880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.37 : 1,400.40 = 586.32 : x
  2. Step 2: Convert to fraction form
    932.37/1,400.40 = 586.32/x
  3. Step 3: Cross multiply
    932.37x = 1,400.40 × 586.32
  4. Step 4: Simplify right side
    932.37x = 821,082.53
  5. Step 5: Solve for x
    x = 821,082.53/932.37
  6. Step 6: Final answer
    x = 880.64

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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.