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Finding the Fourth Proportional to 650,084.10, 974,751.16 and 200,684.76

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Solution

The fourth proportional to 650,084.10, 974,751.16 and 200,684.76 is: 300,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,084.10 : 974,751.16 = 200,684.76 : x
  2. Step 2: Convert to fraction form
    650,084.10/974,751.16 = 200,684.76/x
  3. Step 3: Cross multiply
    650,084.10x = 974,751.16 × 200,684.76
  4. Step 4: Simplify right side
    650,084.10x = 195,617,702,604.32
  5. Step 5: Solve for x
    x = 195,617,702,604.32/650,084.10
  6. Step 6: Final answer
    x = 300,911.38

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Double scale
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Similar ratio
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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.