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Finding the Fourth Proportional to 1,079.01, 1,488.77 and 606.81

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Solution

The fourth proportional to 1,079.01, 1,488.77 and 606.81 is: 837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079.01 : 1,488.77 = 606.81 : x
  2. Step 2: Convert to fraction form
    1,079.01/1,488.77 = 606.81/x
  3. Step 3: Cross multiply
    1,079.01x = 1,488.77 × 606.81
  4. Step 4: Simplify right side
    1,079.01x = 903,400.52
  5. Step 5: Solve for x
    x = 903,400.52/1,079.01
  6. Step 6: Final answer
    x = 837.25

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