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Finding the Fourth Proportional to 341,186.70, 511,002.45 and 201,218.70

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Solution

The fourth proportional to 341,186.70, 511,002.45 and 201,218.70 is: 301,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,186.70 : 511,002.45 = 201,218.70 : x
  2. Step 2: Convert to fraction form
    341,186.70/511,002.45 = 201,218.70/x
  3. Step 3: Cross multiply
    341,186.70x = 511,002.45 × 201,218.70
  4. Step 4: Simplify right side
    341,186.70x = 102,823,248,685.82
  5. Step 5: Solve for x
    x = 102,823,248,685.82/341,186.70
  6. Step 6: Final answer
    x = 301,369.45

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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.