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Finding the Fourth Proportional to 436,770.72, 602,737.20 and 245,769.12

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Solution

The fourth proportional to 436,770.72, 602,737.20 and 245,769.12 is: 339,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,770.72 : 602,737.20 = 245,769.12 : x
  2. Step 2: Convert to fraction form
    436,770.72/602,737.20 = 245,769.12/x
  3. Step 3: Cross multiply
    436,770.72x = 602,737.20 × 245,769.12
  4. Step 4: Simplify right side
    436,770.72x = 148,134,191,235.26
  5. Step 5: Solve for x
    x = 148,134,191,235.26/436,770.72
  6. Step 6: Final answer
    x = 339,157.79

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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.