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Finding the Fourth Proportional to 571,092.66, 856,036.17 and 191,653.62

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Solution

The fourth proportional to 571,092.66, 856,036.17 and 191,653.62 is: 287,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,092.66 : 856,036.17 = 191,653.62 : x
  2. Step 2: Convert to fraction form
    571,092.66/856,036.17 = 191,653.62/x
  3. Step 3: Cross multiply
    571,092.66x = 856,036.17 × 191,653.62
  4. Step 4: Simplify right side
    571,092.66x = 164,062,430,831.44
  5. Step 5: Solve for x
    x = 164,062,430,831.44/571,092.66
  6. Step 6: Final answer
    x = 287,278.13

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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.