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Finding the Fourth Proportional to 283,349.69, 391,007.48 and 162,485.13

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Solution

The fourth proportional to 283,349.69, 391,007.48 and 162,485.13 is: 224,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,349.69 : 391,007.48 = 162,485.13 : x
  2. Step 2: Convert to fraction form
    283,349.69/391,007.48 = 162,485.13/x
  3. Step 3: Cross multiply
    283,349.69x = 391,007.48 × 162,485.13
  4. Step 4: Simplify right side
    283,349.69x = 63,532,900,406.35
  5. Step 5: Solve for x
    x = 63,532,900,406.35/283,349.69
  6. Step 6: Final answer
    x = 224,220.83

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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.