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Finding the Fourth Proportional to 283,693.86, 391,468.68 and 162,806.22

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Solution

The fourth proportional to 283,693.86, 391,468.68 and 162,806.22 is: 224,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,693.86 : 391,468.68 = 162,806.22 : x
  2. Step 2: Convert to fraction form
    283,693.86/391,468.68 = 162,806.22/x
  3. Step 3: Cross multiply
    283,693.86x = 391,468.68 × 162,806.22
  4. Step 4: Simplify right side
    283,693.86x = 63,733,536,039.19
  5. Step 5: Solve for x
    x = 63,733,536,039.19/283,693.86
  6. Step 6: Final answer
    x = 224,656.03

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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.