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Finding the Fourth Proportional to 624,932.94, 862,408.14 and 338,453.34

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Solution

The fourth proportional to 624,932.94, 862,408.14 and 338,453.34 is: 467,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,932.94 : 862,408.14 = 338,453.34 : x
  2. Step 2: Convert to fraction form
    624,932.94/862,408.14 = 338,453.34/x
  3. Step 3: Cross multiply
    624,932.94x = 862,408.14 × 338,453.34
  4. Step 4: Simplify right side
    624,932.94x = 291,884,915,426.19
  5. Step 5: Solve for x
    x = 291,884,915,426.19/624,932.94
  6. Step 6: Final answer
    x = 467,065.98

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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.