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Finding the Fourth Proportional to 517,334.88, 776,119.08 and 157,537.91

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Solution

The fourth proportional to 517,334.88, 776,119.08 and 157,537.91 is: 236,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,334.88 : 776,119.08 = 157,537.91 : x
  2. Step 2: Convert to fraction form
    517,334.88/776,119.08 = 157,537.91/x
  3. Step 3: Cross multiply
    517,334.88x = 776,119.08 × 157,537.91
  4. Step 4: Simplify right side
    517,334.88x = 122,268,180,305.39
  5. Step 5: Solve for x
    x = 122,268,180,305.39/517,334.88
  6. Step 6: Final answer
    x = 236,342.42

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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.