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Finding the Fourth Proportional to 542,703.44, 814,094.04 and 143,340.23

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Solution

The fourth proportional to 542,703.44, 814,094.04 and 143,340.23 is: 215,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,703.44 : 814,094.04 = 143,340.23 : x
  2. Step 2: Convert to fraction form
    542,703.44/814,094.04 = 143,340.23/x
  3. Step 3: Cross multiply
    542,703.44x = 814,094.04 × 143,340.23
  4. Step 4: Simplify right side
    542,703.44x = 116,692,429,507.99
  5. Step 5: Solve for x
    x = 116,692,429,507.99/542,703.44
  6. Step 6: Final answer
    x = 215,020.62

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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.