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Finding the Fourth Proportional to 404,402.92, 558,077.94 and 223,117

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Solution

The fourth proportional to 404,402.92, 558,077.94 and 223,117 is: 307,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,402.92 : 558,077.94 = 223,117 : x
  2. Step 2: Convert to fraction form
    404,402.92/558,077.94 = 223,117/x
  3. Step 3: Cross multiply
    404,402.92x = 558,077.94 × 223,117
  4. Step 4: Simplify right side
    404,402.92x = 124,516,675,738.98
  5. Step 5: Solve for x
    x = 124,516,675,738.98/404,402.92
  6. Step 6: Final answer
    x = 307,902.51

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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.