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Finding the Fourth Proportional to 569,453.25, 785,777.27 and 314,769.81

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Solution

The fourth proportional to 569,453.25, 785,777.27 and 314,769.81 is: 434,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,453.25 : 785,777.27 = 314,769.81 : x
  2. Step 2: Convert to fraction form
    569,453.25/785,777.27 = 314,769.81/x
  3. Step 3: Cross multiply
    569,453.25x = 785,777.27 × 314,769.81
  4. Step 4: Simplify right side
    569,453.25x = 247,338,960,406.37
  5. Step 5: Solve for x
    x = 247,338,960,406.37/569,453.25
  6. Step 6: Final answer
    x = 434,344.63

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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.