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Finding the Fourth Proportional to 561,613.26, 842,253.50 and 162,257.62

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Solution

The fourth proportional to 561,613.26, 842,253.50 and 162,257.62 is: 243,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,613.26 : 842,253.50 = 162,257.62 : x
  2. Step 2: Convert to fraction form
    561,613.26/842,253.50 = 162,257.62/x
  3. Step 3: Cross multiply
    561,613.26x = 842,253.50 × 162,257.62
  4. Step 4: Simplify right side
    561,613.26x = 136,662,048,346.67
  5. Step 5: Solve for x
    x = 136,662,048,346.67/561,613.26
  6. Step 6: Final answer
    x = 243,338.36

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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.