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Finding the Fourth Proportional to 367,659.92, 507,572.64 and 222,492.80

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Solution

The fourth proportional to 367,659.92, 507,572.64 and 222,492.80 is: 307,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,659.92 : 507,572.64 = 222,492.80 : x
  2. Step 2: Convert to fraction form
    367,659.92/507,572.64 = 222,492.80/x
  3. Step 3: Cross multiply
    367,659.92x = 507,572.64 × 222,492.80
  4. Step 4: Simplify right side
    367,659.92x = 112,931,257,876.99
  5. Step 5: Solve for x
    x = 112,931,257,876.99/367,659.92
  6. Step 6: Final answer
    x = 307,162.28

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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.