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Finding the Fourth Proportional to 348,400.66, 522,652.92 and 123,742.22

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Solution

The fourth proportional to 348,400.66, 522,652.92 and 123,742.22 is: 185,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,400.66 : 522,652.92 = 123,742.22 : x
  2. Step 2: Convert to fraction form
    348,400.66/522,652.92 = 123,742.22/x
  3. Step 3: Cross multiply
    348,400.66x = 522,652.92 × 123,742.22
  4. Step 4: Simplify right side
    348,400.66x = 64,674,232,610.28
  5. Step 5: Solve for x
    x = 64,674,232,610.28/348,400.66
  6. Step 6: Final answer
    x = 185,631.77

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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.