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Finding the Fourth Proportional to 341,190.70, 511,008.45 and 201,222.70

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Solution

The fourth proportional to 341,190.70, 511,008.45 and 201,222.70 is: 301,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,190.70 : 511,008.45 = 201,222.70 : x
  2. Step 2: Convert to fraction form
    341,190.70/511,008.45 = 201,222.70/x
  3. Step 3: Cross multiply
    341,190.70x = 511,008.45 × 201,222.70
  4. Step 4: Simplify right side
    341,190.70x = 102,826,500,031.82
  5. Step 5: Solve for x
    x = 102,826,500,031.82/341,190.70
  6. Step 6: Final answer
    x = 301,375.45

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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.