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Finding the Fourth Proportional to 283,683.42, 425,690.96 and 157,429.71

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Solution

The fourth proportional to 283,683.42, 425,690.96 and 157,429.71 is: 236,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,683.42 : 425,690.96 = 157,429.71 : x
  2. Step 2: Convert to fraction form
    283,683.42/425,690.96 = 157,429.71/x
  3. Step 3: Cross multiply
    283,683.42x = 425,690.96 × 157,429.71
  4. Step 4: Simplify right side
    283,683.42x = 67,016,403,595.27
  5. Step 5: Solve for x
    x = 67,016,403,595.27/283,683.42
  6. Step 6: Final answer
    x = 236,236.59

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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.