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Finding the Fourth Proportional to 474,151.38, 711,227.70 and 193,668.72

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Solution

The fourth proportional to 474,151.38, 711,227.70 and 193,668.72 is: 290,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,151.38 : 711,227.70 = 193,668.72 : x
  2. Step 2: Convert to fraction form
    474,151.38/711,227.70 = 193,668.72/x
  3. Step 3: Cross multiply
    474,151.38x = 711,227.70 × 193,668.72
  4. Step 4: Simplify right side
    474,151.38x = 137,742,558,287.54
  5. Step 5: Solve for x
    x = 137,742,558,287.54/474,151.38
  6. Step 6: Final answer
    x = 290,503.34

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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.