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Finding the Fourth Proportional to 567,277.26, 782,832.15 and 309,156.27

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Solution

The fourth proportional to 567,277.26, 782,832.15 and 309,156.27 is: 426,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,277.26 : 782,832.15 = 309,156.27 : x
  2. Step 2: Convert to fraction form
    567,277.26/782,832.15 = 309,156.27/x
  3. Step 3: Cross multiply
    567,277.26x = 782,832.15 × 309,156.27
  4. Step 4: Simplify right side
    567,277.26x = 242,017,467,530.08
  5. Step 5: Solve for x
    x = 242,017,467,530.08/567,277.26
  6. Step 6: Final answer
    x = 426,629.95

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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.