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Finding the Fourth Proportional to 361,613.36, 499,077.16 and 223,836.46

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Solution

The fourth proportional to 361,613.36, 499,077.16 and 223,836.46 is: 308,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,613.36 : 499,077.16 = 223,836.46 : x
  2. Step 2: Convert to fraction form
    361,613.36/499,077.16 = 223,836.46/x
  3. Step 3: Cross multiply
    361,613.36x = 499,077.16 × 223,836.46
  4. Step 4: Simplify right side
    361,613.36x = 111,711,662,953.97
  5. Step 5: Solve for x
    x = 111,711,662,953.97/361,613.36
  6. Step 6: Final answer
    x = 308,925.71

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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.