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Finding the Fourth Proportional to 900.32, 1,349.60 and 466.96

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Solution

The fourth proportional to 900.32, 1,349.60 and 466.96 is: 699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.32 : 1,349.60 = 466.96 : x
  2. Step 2: Convert to fraction form
    900.32/1,349.60 = 466.96/x
  3. Step 3: Cross multiply
    900.32x = 1,349.60 × 466.96
  4. Step 4: Simplify right side
    900.32x = 630,209.22
  5. Step 5: Solve for x
    x = 630,209.22/900.32
  6. Step 6: Final answer
    x = 699.98

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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.