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Finding the Fourth Proportional to 566,872.16, 782,284.38 and 308,750.12

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Solution

The fourth proportional to 566,872.16, 782,284.38 and 308,750.12 is: 426,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,872.16 : 782,284.38 = 308,750.12 : x
  2. Step 2: Convert to fraction form
    566,872.16/782,284.38 = 308,750.12/x
  3. Step 3: Cross multiply
    566,872.16x = 782,284.38 × 308,750.12
  4. Step 4: Simplify right side
    566,872.16x = 241,530,392,287.70
  5. Step 5: Solve for x
    x = 241,530,392,287.70/566,872.16
  6. Step 6: Final answer
    x = 426,075.60

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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.