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Finding the Fourth Proportional to 304,885, 457,608.24 and 155,232.28

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Solution

The fourth proportional to 304,885, 457,608.24 and 155,232.28 is: 232,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,885 : 457,608.24 = 155,232.28 : x
  2. Step 2: Convert to fraction form
    304,885/457,608.24 = 155,232.28/x
  3. Step 3: Cross multiply
    304,885x = 457,608.24 × 155,232.28
  4. Step 4: Simplify right side
    304,885x = 71,035,570,441.99
  5. Step 5: Solve for x
    x = 71,035,570,441.99/304,885
  6. Step 6: Final answer
    x = 232,991.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.