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Finding the Fourth Proportional to 1,032.14, 1,548.18 and 383

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Solution

The fourth proportional to 1,032.14, 1,548.18 and 383 is: 574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.14 : 1,548.18 = 383 : x
  2. Step 2: Convert to fraction form
    1,032.14/1,548.18 = 383/x
  3. Step 3: Cross multiply
    1,032.14x = 1,548.18 × 383
  4. Step 4: Simplify right side
    1,032.14x = 592,952.94
  5. Step 5: Solve for x
    x = 592,952.94/1,032.14
  6. Step 6: Final answer
    x = 574.49

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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.