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Finding the Fourth Proportional to 1,162.06, 1,743.76 and 468.79

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Solution

The fourth proportional to 1,162.06, 1,743.76 and 468.79 is: 703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.06 : 1,743.76 = 468.79 : x
  2. Step 2: Convert to fraction form
    1,162.06/1,743.76 = 468.79/x
  3. Step 3: Cross multiply
    1,162.06x = 1,743.76 × 468.79
  4. Step 4: Simplify right side
    1,162.06x = 817,457.25
  5. Step 5: Solve for x
    x = 817,457.25/1,162.06
  6. Step 6: Final answer
    x = 703.46

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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.