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Finding the Fourth Proportional to 605,814.76, 836,025.06 and 351,313.84

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Solution

The fourth proportional to 605,814.76, 836,025.06 and 351,313.84 is: 484,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,814.76 : 836,025.06 = 351,313.84 : x
  2. Step 2: Convert to fraction form
    605,814.76/836,025.06 = 351,313.84/x
  3. Step 3: Cross multiply
    605,814.76x = 836,025.06 × 351,313.84
  4. Step 4: Simplify right side
    605,814.76x = 293,707,174,164.83
  5. Step 5: Solve for x
    x = 293,707,174,164.83/605,814.76
  6. Step 6: Final answer
    x = 484,813.50

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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.