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Finding the Fourth Proportional to 608,944.30, 853,921.70 and 608,944.30

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Solution

The fourth proportional to 608,944.30, 853,921.70 and 608,944.30 is: 853,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,944.30 : 853,921.70 = 608,944.30 : x
  2. Step 2: Convert to fraction form
    608,944.30/853,921.70 = 608,944.30/x
  3. Step 3: Cross multiply
    608,944.30x = 853,921.70 × 608,944.30
  4. Step 4: Simplify right side
    608,944.30x = 519,990,751,861.31
  5. Step 5: Solve for x
    x = 519,990,751,861.31/608,944.30
  6. Step 6: Final answer
    x = 853,921.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.