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Finding the Fourth Proportional to 343,433.93, 515,148.46 and 106,776.23

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Solution

The fourth proportional to 343,433.93, 515,148.46 and 106,776.23 is: 160,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,433.93 : 515,148.46 = 106,776.23 : x
  2. Step 2: Convert to fraction form
    343,433.93/515,148.46 = 106,776.23/x
  3. Step 3: Cross multiply
    343,433.93x = 515,148.46 × 106,776.23
  4. Step 4: Simplify right side
    343,433.93x = 55,005,607,606.42
  5. Step 5: Solve for x
    x = 55,005,607,606.42/343,433.93
  6. Step 6: Final answer
    x = 160,163.58

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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.