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Finding the Fourth Proportional to 567,230.92, 782,768.52 and 309,110.10

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Solution

The fourth proportional to 567,230.92, 782,768.52 and 309,110.10 is: 426,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,230.92 : 782,768.52 = 309,110.10 : x
  2. Step 2: Convert to fraction form
    567,230.92/782,768.52 = 309,110.10/x
  3. Step 3: Cross multiply
    567,230.92x = 782,768.52 × 309,110.10
  4. Step 4: Simplify right side
    567,230.92x = 241,961,655,494.05
  5. Step 5: Solve for x
    x = 241,961,655,494.05/567,230.92
  6. Step 6: Final answer
    x = 426,566.41

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1.5x scale

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.