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Finding the Fourth Proportional to 253,775.61, 350,205.74 and 150,479.31

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Solution

The fourth proportional to 253,775.61, 350,205.74 and 150,479.31 is: 207,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,775.61 : 350,205.74 = 150,479.31 : x
  2. Step 2: Convert to fraction form
    253,775.61/350,205.74 = 150,479.31/x
  3. Step 3: Cross multiply
    253,775.61x = 350,205.74 × 150,479.31
  4. Step 4: Simplify right side
    253,775.61x = 52,698,718,236.36
  5. Step 5: Solve for x
    x = 52,698,718,236.36/253,775.61
  6. Step 6: Final answer
    x = 207,658.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.