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Finding the Fourth Proportional to 1,763.99, 2,646.01 and 465.45

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Solution

The fourth proportional to 1,763.99, 2,646.01 and 465.45 is: 698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.99 : 2,646.01 = 465.45 : x
  2. Step 2: Convert to fraction form
    1,763.99/2,646.01 = 465.45/x
  3. Step 3: Cross multiply
    1,763.99x = 2,646.01 × 465.45
  4. Step 4: Simplify right side
    1,763.99x = 1,231,585.35
  5. Step 5: Solve for x
    x = 1,231,585.35/1,763.99
  6. Step 6: Final answer
    x = 698.18

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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.