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Finding the Fourth Proportional to 459,857.21, 694,105.01 and 459,857.21

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Solution

The fourth proportional to 459,857.21, 694,105.01 and 459,857.21 is: 694,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,857.21 : 694,105.01 = 459,857.21 : x
  2. Step 2: Convert to fraction form
    459,857.21/694,105.01 = 459,857.21/x
  3. Step 3: Cross multiply
    459,857.21x = 694,105.01 × 459,857.21
  4. Step 4: Simplify right side
    459,857.21x = 319,189,187,575.81
  5. Step 5: Solve for x
    x = 319,189,187,575.81/459,857.21
  6. Step 6: Final answer
    x = 694,105.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.