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Finding the Fourth Proportional to 567,249.94, 782,804.92 and 312,601.13

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Solution

The fourth proportional to 567,249.94, 782,804.92 and 312,601.13 is: 431,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,249.94 : 782,804.92 = 312,601.13 : x
  2. Step 2: Convert to fraction form
    567,249.94/782,804.92 = 312,601.13/x
  3. Step 3: Cross multiply
    567,249.94x = 782,804.92 × 312,601.13
  4. Step 4: Simplify right side
    567,249.94x = 244,705,697,866.03
  5. Step 5: Solve for x
    x = 244,705,697,866.03/567,249.94
  6. Step 6: Final answer
    x = 431,389.55

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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.