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Finding the Fourth Proportional to 900.88, 1,351.32 and 467.13

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Solution

The fourth proportional to 900.88, 1,351.32 and 467.13 is: 700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.88 : 1,351.32 = 467.13 : x
  2. Step 2: Convert to fraction form
    900.88/1,351.32 = 467.13/x
  3. Step 3: Cross multiply
    900.88x = 1,351.32 × 467.13
  4. Step 4: Simplify right side
    900.88x = 631,242.11
  5. Step 5: Solve for x
    x = 631,242.11/900.88
  6. Step 6: Final answer
    x = 700.70

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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.