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Finding the Fourth Proportional to 624,933.94, 862,409.52 and 338,454.34

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Solution

The fourth proportional to 624,933.94, 862,409.52 and 338,454.34 is: 467,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,933.94 : 862,409.52 = 338,454.34 : x
  2. Step 2: Convert to fraction form
    624,933.94/862,409.52 = 338,454.34/x
  3. Step 3: Cross multiply
    624,933.94x = 862,409.52 × 338,454.34
  4. Step 4: Simplify right side
    624,933.94x = 291,886,244,901.32
  5. Step 5: Solve for x
    x = 291,886,244,901.32/624,933.94
  6. Step 6: Final answer
    x = 467,067.36

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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.