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Finding the Fourth Proportional to 343,033.44, 514,525.32 and 115,330.56

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Solution

The fourth proportional to 343,033.44, 514,525.32 and 115,330.56 is: 172,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,033.44 : 514,525.32 = 115,330.56 : x
  2. Step 2: Convert to fraction form
    343,033.44/514,525.32 = 115,330.56/x
  3. Step 3: Cross multiply
    343,033.44x = 514,525.32 × 115,330.56
  4. Step 4: Simplify right side
    343,033.44x = 59,340,493,289.78
  5. Step 5: Solve for x
    x = 59,340,493,289.78/343,033.44
  6. Step 6: Final answer
    x = 172,987.49

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1.5x scale

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.