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Finding the Fourth Proportional to 453,522.05, 679,861.92 and 200,667.49

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Solution

The fourth proportional to 453,522.05, 679,861.92 and 200,667.49 is: 300,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,522.05 : 679,861.92 = 200,667.49 : x
  2. Step 2: Convert to fraction form
    453,522.05/679,861.92 = 200,667.49/x
  3. Step 3: Cross multiply
    453,522.05x = 679,861.92 × 200,667.49
  4. Step 4: Simplify right side
    453,522.05x = 136,426,184,085.83
  5. Step 5: Solve for x
    x = 136,426,184,085.83/453,522.05
  6. Step 6: Final answer
    x = 300,814.89

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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.