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Finding the Fourth Proportional to 1,202.41, 1,802.93 and 616.73

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Solution

The fourth proportional to 1,202.41, 1,802.93 and 616.73 is: 924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.41 : 1,802.93 = 616.73 : x
  2. Step 2: Convert to fraction form
    1,202.41/1,802.93 = 616.73/x
  3. Step 3: Cross multiply
    1,202.41x = 1,802.93 × 616.73
  4. Step 4: Simplify right side
    1,202.41x = 1,111,921.02
  5. Step 5: Solve for x
    x = 1,111,921.02/1,202.41
  6. Step 6: Final answer
    x = 924.74

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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.