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Finding the Fourth Proportional to 508,297.11, 762,432.69 and 134,323.35

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Solution

The fourth proportional to 508,297.11, 762,432.69 and 134,323.35 is: 201,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,297.11 : 762,432.69 = 134,323.35 : x
  2. Step 2: Convert to fraction form
    508,297.11/762,432.69 = 134,323.35/x
  3. Step 3: Cross multiply
    508,297.11x = 762,432.69 × 134,323.35
  4. Step 4: Simplify right side
    508,297.11x = 102,412,513,070.31
  5. Step 5: Solve for x
    x = 102,412,513,070.31/508,297.11
  6. Step 6: Final answer
    x = 201,481.60

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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.