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Finding the Fourth Proportional to 517,770.91, 776,701.23 and 158,022.69

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Solution

The fourth proportional to 517,770.91, 776,701.23 and 158,022.69 is: 237,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,770.91 : 776,701.23 = 158,022.69 : x
  2. Step 2: Convert to fraction form
    517,770.91/776,701.23 = 158,022.69/x
  3. Step 3: Cross multiply
    517,770.91x = 776,701.23 × 158,022.69
  4. Step 4: Simplify right side
    517,770.91x = 122,736,417,690.91
  5. Step 5: Solve for x
    x = 122,736,417,690.91/517,770.91
  6. Step 6: Final answer
    x = 237,047.73

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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.