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Finding the Fourth Proportional to 1,073.15, 1,480.51 and 700.00

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Solution

The fourth proportional to 1,073.15, 1,480.51 and 700.00 is: 965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.15 : 1,480.51 = 700.00 : x
  2. Step 2: Convert to fraction form
    1,073.15/1,480.51 = 700.00/x
  3. Step 3: Cross multiply
    1,073.15x = 1,480.51 × 700.00
  4. Step 4: Simplify right side
    1,073.15x = 1,036,354.17
  5. Step 5: Solve for x
    x = 1,036,354.17/1,073.15
  6. Step 6: Final answer
    x = 965.71

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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.