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Finding the Fourth Proportional to 616.31, 923.93 and 500.46

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Solution

The fourth proportional to 616.31, 923.93 and 500.46 is: 750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.31 : 923.93 = 500.46 : x
  2. Step 2: Convert to fraction form
    616.31/923.93 = 500.46/x
  3. Step 3: Cross multiply
    616.31x = 923.93 × 500.46
  4. Step 4: Simplify right side
    616.31x = 462,390.01
  5. Step 5: Solve for x
    x = 462,390.01/616.31
  6. Step 6: Final answer
    x = 750.26

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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.