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Finding the Fourth Proportional to 1,062.59, 1,593.60 and 477.26

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Solution

The fourth proportional to 1,062.59, 1,593.60 and 477.26 is: 715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.59 : 1,593.60 = 477.26 : x
  2. Step 2: Convert to fraction form
    1,062.59/1,593.60 = 477.26/x
  3. Step 3: Cross multiply
    1,062.59x = 1,593.60 × 477.26
  4. Step 4: Simplify right side
    1,062.59x = 760,561.54
  5. Step 5: Solve for x
    x = 760,561.54/1,062.59
  6. Step 6: Final answer
    x = 715.77

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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.