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Finding the Fourth Proportional to 407,707.23, 562,662.01 and 226,419.11

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Solution

The fourth proportional to 407,707.23, 562,662.01 and 226,419.11 is: 312,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,707.23 : 562,662.01 = 226,419.11 : x
  2. Step 2: Convert to fraction form
    407,707.23/562,662.01 = 226,419.11/x
  3. Step 3: Cross multiply
    407,707.23x = 562,662.01 × 226,419.11
  4. Step 4: Simplify right side
    407,707.23x = 127,397,431,535.01
  5. Step 5: Solve for x
    x = 127,397,431,535.01/407,707.23
  6. Step 6: Final answer
    x = 312,472.83

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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.