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Finding the Fourth Proportional to 539,199.46, 808,143.27 and 381,473.38

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Solution

The fourth proportional to 539,199.46, 808,143.27 and 381,473.38 is: 571,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,199.46 : 808,143.27 = 381,473.38 : x
  2. Step 2: Convert to fraction form
    539,199.46/808,143.27 = 381,473.38/x
  3. Step 3: Cross multiply
    539,199.46x = 808,143.27 × 381,473.38
  4. Step 4: Simplify right side
    539,199.46x = 308,285,144,731.15
  5. Step 5: Solve for x
    x = 308,285,144,731.15/539,199.46
  6. Step 6: Final answer
    x = 571,746.02

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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.