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Finding the Fourth Proportional to 407,800.80, 562,746.48 and 226,524.48

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Solution

The fourth proportional to 407,800.80, 562,746.48 and 226,524.48 is: 312,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,800.80 : 562,746.48 = 226,524.48 : x
  2. Step 2: Convert to fraction form
    407,800.80/562,746.48 = 226,524.48/x
  3. Step 3: Cross multiply
    407,800.80x = 562,746.48 × 226,524.48
  4. Step 4: Simplify right side
    407,800.80x = 127,475,853,753.83
  5. Step 5: Solve for x
    x = 127,475,853,753.83/407,800.80
  6. Step 6: Final answer
    x = 312,593.44

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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.