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Finding the Fourth Proportional to 1,450.88, 2,176.63 and 463.99

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Solution

The fourth proportional to 1,450.88, 2,176.63 and 463.99 is: 696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.88 : 2,176.63 = 463.99 : x
  2. Step 2: Convert to fraction form
    1,450.88/2,176.63 = 463.99/x
  3. Step 3: Cross multiply
    1,450.88x = 2,176.63 × 463.99
  4. Step 4: Simplify right side
    1,450.88x = 1,009,934.55
  5. Step 5: Solve for x
    x = 1,009,934.55/1,450.88
  6. Step 6: Final answer
    x = 696.08

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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.