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Finding the Fourth Proportional to 436,709.38, 602,670.72 and 245,729.56

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Solution

The fourth proportional to 436,709.38, 602,670.72 and 245,729.56 is: 339,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,709.38 : 602,670.72 = 245,729.56 : x
  2. Step 2: Convert to fraction form
    436,709.38/602,670.72 = 245,729.56/x
  3. Step 3: Cross multiply
    436,709.38x = 602,670.72 × 245,729.56
  4. Step 4: Simplify right side
    436,709.38x = 148,094,010,850.48
  5. Step 5: Solve for x
    x = 148,094,010,850.48/436,709.38
  6. Step 6: Final answer
    x = 339,113.42

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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.