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Finding the Fourth Proportional to 542,730.56, 813,981.55 and 350,027.76

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Solution

The fourth proportional to 542,730.56, 813,981.55 and 350,027.76 is: 524,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,730.56 : 813,981.55 = 350,027.76 : x
  2. Step 2: Convert to fraction form
    542,730.56/813,981.55 = 350,027.76/x
  3. Step 3: Cross multiply
    542,730.56x = 813,981.55 × 350,027.76
  4. Step 4: Simplify right side
    542,730.56x = 284,916,138,627.83
  5. Step 5: Solve for x
    x = 284,916,138,627.83/542,730.56
  6. Step 6: Final answer
    x = 524,967.93

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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.