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Finding the Fourth Proportional to 1,032.36, 1,548.06 and 616.08

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Solution

The fourth proportional to 1,032.36, 1,548.06 and 616.08 is: 923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.36 : 1,548.06 = 616.08 : x
  2. Step 2: Convert to fraction form
    1,032.36/1,548.06 = 616.08/x
  3. Step 3: Cross multiply
    1,032.36x = 1,548.06 × 616.08
  4. Step 4: Simplify right side
    1,032.36x = 953,728.80
  5. Step 5: Solve for x
    x = 953,728.80/1,032.36
  6. Step 6: Final answer
    x = 923.83

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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.