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Finding the Fourth Proportional to 900.50, 1,349.79 and 467.06

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Solution

The fourth proportional to 900.50, 1,349.79 and 467.06 is: 700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.50 : 1,349.79 = 467.06 : x
  2. Step 2: Convert to fraction form
    900.50/1,349.79 = 467.06/x
  3. Step 3: Cross multiply
    900.50x = 1,349.79 × 467.06
  4. Step 4: Simplify right side
    900.50x = 630,432.92
  5. Step 5: Solve for x
    x = 630,432.92/900.50
  6. Step 6: Final answer
    x = 700.09

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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.