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Finding the Fourth Proportional to 566,269.36, 781,441.62 and 308,137.53

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Solution

The fourth proportional to 566,269.36, 781,441.62 and 308,137.53 is: 425,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,269.36 : 781,441.62 = 308,137.53 : x
  2. Step 2: Convert to fraction form
    566,269.36/781,441.62 = 308,137.53/x
  3. Step 3: Cross multiply
    566,269.36x = 781,441.62 × 308,137.53
  4. Step 4: Simplify right side
    566,269.36x = 240,791,490,626.00
  5. Step 5: Solve for x
    x = 240,791,490,626.00/566,269.36
  6. Step 6: Final answer
    x = 425,224.30

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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.