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Finding the Fourth Proportional to 283,594.61, 391,358.67 and 156,270.23

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Solution

The fourth proportional to 283,594.61, 391,358.67 and 156,270.23 is: 215,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,594.61 : 391,358.67 = 156,270.23 : x
  2. Step 2: Convert to fraction form
    283,594.61/391,358.67 = 156,270.23/x
  3. Step 3: Cross multiply
    283,594.61x = 391,358.67 × 156,270.23
  4. Step 4: Simplify right side
    283,594.61x = 61,157,707,416.60
  5. Step 5: Solve for x
    x = 61,157,707,416.60/283,594.61
  6. Step 6: Final answer
    x = 215,651.87

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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.