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Finding the Fourth Proportional to 344,878.60, 517,010.10 and 134,467.60

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Solution

The fourth proportional to 344,878.60, 517,010.10 and 134,467.60 is: 201,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,878.60 : 517,010.10 = 134,467.60 : x
  2. Step 2: Convert to fraction form
    344,878.60/517,010.10 = 134,467.60/x
  3. Step 3: Cross multiply
    344,878.60x = 517,010.10 × 134,467.60
  4. Step 4: Simplify right side
    344,878.60x = 69,521,107,322.76
  5. Step 5: Solve for x
    x = 69,521,107,322.76/344,878.60
  6. Step 6: Final answer
    x = 201,581.39

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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.