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Finding the Fourth Proportional to 344,330.12, 516,475.74 and 107,644.88

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Solution

The fourth proportional to 344,330.12, 516,475.74 and 107,644.88 is: 161,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,330.12 : 516,475.74 = 107,644.88 : x
  2. Step 2: Convert to fraction form
    344,330.12/516,475.74 = 107,644.88/x
  3. Step 3: Cross multiply
    344,330.12x = 516,475.74 × 107,644.88
  4. Step 4: Simplify right side
    344,330.12x = 55,595,969,055.21
  5. Step 5: Solve for x
    x = 55,595,969,055.21/344,330.12
  6. Step 6: Final answer
    x = 161,461.24

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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.