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Finding the Fourth Proportional to 1,497.68, 2,246.65 and 718.05

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Solution

The fourth proportional to 1,497.68, 2,246.65 and 718.05 is: 1,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.68 : 2,246.65 = 718.05 : x
  2. Step 2: Convert to fraction form
    1,497.68/2,246.65 = 718.05/x
  3. Step 3: Cross multiply
    1,497.68x = 2,246.65 × 718.05
  4. Step 4: Simplify right side
    1,497.68x = 1,613,207.03
  5. Step 5: Solve for x
    x = 1,613,207.03/1,497.68
  6. Step 6: Final answer
    x = 1,077.14

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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.