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Finding the Fourth Proportional to 566,171.67, 781,316.91 and 308,048.73

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Solution

The fourth proportional to 566,171.67, 781,316.91 and 308,048.73 is: 425,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,171.67 : 781,316.91 = 308,048.73 : x
  2. Step 2: Convert to fraction form
    566,171.67/781,316.91 = 308,048.73/x
  3. Step 3: Cross multiply
    566,171.67x = 781,316.91 × 308,048.73
  4. Step 4: Simplify right side
    566,171.67x = 240,683,681,853.02
  5. Step 5: Solve for x
    x = 240,683,681,853.02/566,171.67
  6. Step 6: Final answer
    x = 425,107.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.