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Finding the Fourth Proportional to 570,344.22, 855,275.37 and 171,041.82

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Solution

The fourth proportional to 570,344.22, 855,275.37 and 171,041.82 is: 256,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,344.22 : 855,275.37 = 171,041.82 : x
  2. Step 2: Convert to fraction form
    570,344.22/855,275.37 = 171,041.82/x
  3. Step 3: Cross multiply
    570,344.22x = 855,275.37 × 171,041.82
  4. Step 4: Simplify right side
    570,344.22x = 146,287,855,885.97
  5. Step 5: Solve for x
    x = 146,287,855,885.97/570,344.22
  6. Step 6: Final answer
    x = 256,490.47

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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.