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Finding the Fourth Proportional to 508,250.92, 762,403.74 and 134,263.72

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Solution

The fourth proportional to 508,250.92, 762,403.74 and 134,263.72 is: 201,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,250.92 : 762,403.74 = 134,263.72 : x
  2. Step 2: Convert to fraction form
    508,250.92/762,403.74 = 134,263.72/x
  3. Step 3: Cross multiply
    508,250.92x = 762,403.74 × 134,263.72
  4. Step 4: Simplify right side
    508,250.92x = 102,363,162,274.31
  5. Step 5: Solve for x
    x = 102,363,162,274.31/508,250.92
  6. Step 6: Final answer
    x = 201,402.81

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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.