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Finding the Fourth Proportional to 1,026.13, 1,416.17 and 606.62

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Solution

The fourth proportional to 1,026.13, 1,416.17 and 606.62 is: 837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.13 : 1,416.17 = 606.62 : x
  2. Step 2: Convert to fraction form
    1,026.13/1,416.17 = 606.62/x
  3. Step 3: Cross multiply
    1,026.13x = 1,416.17 × 606.62
  4. Step 4: Simplify right side
    1,026.13x = 859,077.05
  5. Step 5: Solve for x
    x = 859,077.05/1,026.13
  6. Step 6: Final answer
    x = 837.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.