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Finding the Fourth Proportional to 1,232.01, 1,848.56 and 654.93

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Solution

The fourth proportional to 1,232.01, 1,848.56 and 654.93 is: 982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.01 : 1,848.56 = 654.93 : x
  2. Step 2: Convert to fraction form
    1,232.01/1,848.56 = 654.93/x
  3. Step 3: Cross multiply
    1,232.01x = 1,848.56 × 654.93
  4. Step 4: Simplify right side
    1,232.01x = 1,210,674.13
  5. Step 5: Solve for x
    x = 1,210,674.13/1,232.01
  6. Step 6: Final answer
    x = 982.68

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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.