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Finding the Fourth Proportional to 1,062.01, 1,592.07 and 412.30

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Solution

The fourth proportional to 1,062.01, 1,592.07 and 412.30 is: 618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.01 : 1,592.07 = 412.30 : x
  2. Step 2: Convert to fraction form
    1,062.01/1,592.07 = 412.30/x
  3. Step 3: Cross multiply
    1,062.01x = 1,592.07 × 412.30
  4. Step 4: Simplify right side
    1,062.01x = 656,410.46
  5. Step 5: Solve for x
    x = 656,410.46/1,062.01
  6. Step 6: Final answer
    x = 618.08

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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.