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Finding the Fourth Proportional to 381,092.59, 571,860.32 and 170,730.53

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Solution

The fourth proportional to 381,092.59, 571,860.32 and 170,730.53 is: 256,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,092.59 : 571,860.32 = 170,730.53 : x
  2. Step 2: Convert to fraction form
    381,092.59/571,860.32 = 170,730.53/x
  3. Step 3: Cross multiply
    381,092.59x = 571,860.32 × 170,730.53
  4. Step 4: Simplify right side
    381,092.59x = 97,634,014,911.45
  5. Step 5: Solve for x
    x = 97,634,014,911.45/381,092.59
  6. Step 6: Final answer
    x = 256,195.00

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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.