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Finding the Fourth Proportional to 656,808.36, 985,601.64 and 277,708.36

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Solution

The fourth proportional to 656,808.36, 985,601.64 and 277,708.36 is: 416,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,808.36 : 985,601.64 = 277,708.36 : x
  2. Step 2: Convert to fraction form
    656,808.36/985,601.64 = 277,708.36/x
  3. Step 3: Cross multiply
    656,808.36x = 985,601.64 × 277,708.36
  4. Step 4: Simplify right side
    656,808.36x = 273,709,815,057.71
  5. Step 5: Solve for x
    x = 273,709,815,057.71/656,808.36
  6. Step 6: Final answer
    x = 416,727.06

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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.