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Finding the Fourth Proportional to 566,782.52, 782,160.57 and 308,659.91

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Solution

The fourth proportional to 566,782.52, 782,160.57 and 308,659.91 is: 425,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,782.52 : 782,160.57 = 308,659.91 : x
  2. Step 2: Convert to fraction form
    566,782.52/782,160.57 = 308,659.91/x
  3. Step 3: Cross multiply
    566,782.52x = 782,160.57 × 308,659.91
  4. Step 4: Simplify right side
    566,782.52x = 241,421,607,230.95
  5. Step 5: Solve for x
    x = 241,421,607,230.95/566,782.52
  6. Step 6: Final answer
    x = 425,951.05

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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.