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Finding the Fourth Proportional to 505,459.44, 697,814.20 and 344,550.92

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Solution

The fourth proportional to 505,459.44, 697,814.20 and 344,550.92 is: 475,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,459.44 : 697,814.20 = 344,550.92 : x
  2. Step 2: Convert to fraction form
    505,459.44/697,814.20 = 344,550.92/x
  3. Step 3: Cross multiply
    505,459.44x = 697,814.20 × 344,550.92
  4. Step 4: Simplify right side
    505,459.44x = 240,432,524,599.06
  5. Step 5: Solve for x
    x = 240,432,524,599.06/505,459.44
  6. Step 6: Final answer
    x = 475,671.25

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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.