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Finding the Fourth Proportional to 341,777.40, 512,674.20 and 105,122.22

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Solution

The fourth proportional to 341,777.40, 512,674.20 and 105,122.22 is: 157,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,777.40 : 512,674.20 = 105,122.22 : x
  2. Step 2: Convert to fraction form
    341,777.40/512,674.20 = 105,122.22/x
  3. Step 3: Cross multiply
    341,777.40x = 512,674.20 × 105,122.22
  4. Step 4: Simplify right side
    341,777.40x = 53,893,450,040.72
  5. Step 5: Solve for x
    x = 53,893,450,040.72/341,777.40
  6. Step 6: Final answer
    x = 157,685.82

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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.