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Finding the Fourth Proportional to 283,175.28, 424,836.48 and 105,683.64

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Solution

The fourth proportional to 283,175.28, 424,836.48 and 105,683.64 is: 158,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,175.28 : 424,836.48 = 105,683.64 : x
  2. Step 2: Convert to fraction form
    283,175.28/424,836.48 = 105,683.64/x
  3. Step 3: Cross multiply
    283,175.28x = 424,836.48 × 105,683.64
  4. Step 4: Simplify right side
    283,175.28x = 44,898,265,611.19
  5. Step 5: Solve for x
    x = 44,898,265,611.19/283,175.28
  6. Step 6: Final answer
    x = 158,552.91

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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.