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Finding the Fourth Proportional to 552,261.63, 762,178.78 and 337,544.71

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Solution

The fourth proportional to 552,261.63, 762,178.78 and 337,544.71 is: 465,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,261.63 : 762,178.78 = 337,544.71 : x
  2. Step 2: Convert to fraction form
    552,261.63/762,178.78 = 337,544.71/x
  3. Step 3: Cross multiply
    552,261.63x = 762,178.78 × 337,544.71
  4. Step 4: Simplify right side
    552,261.63x = 257,269,415,263.25
  5. Step 5: Solve for x
    x = 257,269,415,263.25/552,261.63
  6. Step 6: Final answer
    x = 465,846.98

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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.