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Finding the Fourth Proportional to 649,667.72, 974,606.66 and 200,283.44

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Solution

The fourth proportional to 649,667.72, 974,606.66 and 200,283.44 is: 300,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,667.72 : 974,606.66 = 200,283.44 : x
  2. Step 2: Convert to fraction form
    649,667.72/974,606.66 = 200,283.44/x
  3. Step 3: Cross multiply
    649,667.72x = 974,606.66 × 200,283.44
  4. Step 4: Simplify right side
    649,667.72x = 195,197,574,511.71
  5. Step 5: Solve for x
    x = 195,197,574,511.71/649,667.72
  6. Step 6: Final answer
    x = 300,457.55

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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.