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Finding the Fourth Proportional to 351,338.42, 527,022.12 and 102,020.42

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Solution

The fourth proportional to 351,338.42, 527,022.12 and 102,020.42 is: 153,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,338.42 : 527,022.12 = 102,020.42 : x
  2. Step 2: Convert to fraction form
    351,338.42/527,022.12 = 102,020.42/x
  3. Step 3: Cross multiply
    351,338.42x = 527,022.12 × 102,020.42
  4. Step 4: Simplify right side
    351,338.42x = 53,767,018,031.69
  5. Step 5: Solve for x
    x = 53,767,018,031.69/351,338.42
  6. Step 6: Final answer
    x = 153,034.84

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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.