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Finding the Fourth Proportional to 656,644.73, 906,183.59 and 370,164.83

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Solution

The fourth proportional to 656,644.73, 906,183.59 and 370,164.83 is: 510,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,644.73 : 906,183.59 = 370,164.83 : x
  2. Step 2: Convert to fraction form
    656,644.73/906,183.59 = 370,164.83/x
  3. Step 3: Cross multiply
    656,644.73x = 906,183.59 × 370,164.83
  4. Step 4: Simplify right side
    656,644.73x = 335,437,288,159.40
  5. Step 5: Solve for x
    x = 335,437,288,159.40/656,644.73
  6. Step 6: Final answer
    x = 510,835.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.