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Finding the Fourth Proportional to 566,481.61, 781,754.60 and 308,366.00

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Solution

The fourth proportional to 566,481.61, 781,754.60 and 308,366.00 is: 425,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,481.61 : 781,754.60 = 308,366.00 : x
  2. Step 2: Convert to fraction form
    566,481.61/781,754.60 = 308,366.00/x
  3. Step 3: Cross multiply
    566,481.61x = 781,754.60 × 308,366.00
  4. Step 4: Simplify right side
    566,481.61x = 241,066,535,845.74
  5. Step 5: Solve for x
    x = 241,066,535,845.74/566,481.61
  6. Step 6: Final answer
    x = 425,550.51

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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.