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Finding the Fourth Proportional to 457,361.61, 686,670.83 and 232,872.89

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Solution

The fourth proportional to 457,361.61, 686,670.83 and 232,872.89 is: 349,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,361.61 : 686,670.83 = 232,872.89 : x
  2. Step 2: Convert to fraction form
    457,361.61/686,670.83 = 232,872.89/x
  3. Step 3: Cross multiply
    457,361.61x = 686,670.83 × 232,872.89
  4. Step 4: Simplify right side
    457,361.61x = 159,907,016,936.35
  5. Step 5: Solve for x
    x = 159,907,016,936.35/457,361.61
  6. Step 6: Final answer
    x = 349,629.30

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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.