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Finding the Fourth Proportional to 566,873.16, 782,285.76 and 308,751.12

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Solution

The fourth proportional to 566,873.16, 782,285.76 and 308,751.12 is: 426,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,873.16 : 782,285.76 = 308,751.12 : x
  2. Step 2: Convert to fraction form
    566,873.16/782,285.76 = 308,751.12/x
  3. Step 3: Cross multiply
    566,873.16x = 782,285.76 × 308,751.12
  4. Step 4: Simplify right side
    566,873.16x = 241,531,604,560.05
  5. Step 5: Solve for x
    x = 241,531,604,560.05/566,873.16
  6. Step 6: Final answer
    x = 426,076.98

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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.