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Finding the Fourth Proportional to 1,732.48, 2,598.40 and 577.92

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Solution

The fourth proportional to 1,732.48, 2,598.40 and 577.92 is: 866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.48 : 2,598.40 = 577.92 : x
  2. Step 2: Convert to fraction form
    1,732.48/2,598.40 = 577.92/x
  3. Step 3: Cross multiply
    1,732.48x = 2,598.40 × 577.92
  4. Step 4: Simplify right side
    1,732.48x = 1,501,667.33
  5. Step 5: Solve for x
    x = 1,501,667.33/1,732.48
  6. Step 6: Final answer
    x = 866.77

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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.