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Finding the Fourth Proportional to 1,417.78, 2,125.50 and 596.68

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Solution

The fourth proportional to 1,417.78, 2,125.50 and 596.68 is: 894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.78 : 2,125.50 = 596.68 : x
  2. Step 2: Convert to fraction form
    1,417.78/2,125.50 = 596.68/x
  3. Step 3: Cross multiply
    1,417.78x = 2,125.50 × 596.68
  4. Step 4: Simplify right side
    1,417.78x = 1,268,243.34
  5. Step 5: Solve for x
    x = 1,268,243.34/1,417.78
  6. Step 6: Final answer
    x = 894.53

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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.