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Finding the Fourth Proportional to 542,541.14, 813,645.49 and 375,137.22

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Solution

The fourth proportional to 542,541.14, 813,645.49 and 375,137.22 is: 562,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,541.14 : 813,645.49 = 375,137.22 : x
  2. Step 2: Convert to fraction form
    542,541.14/813,645.49 = 375,137.22/x
  3. Step 3: Cross multiply
    542,541.14x = 813,645.49 × 375,137.22
  4. Step 4: Simplify right side
    542,541.14x = 305,228,707,184.14
  5. Step 5: Solve for x
    x = 305,228,707,184.14/542,541.14
  6. Step 6: Final answer
    x = 562,590.90

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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.