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Finding the Fourth Proportional to 508,450.10, 701,723.39 and 293,589.90

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Solution

The fourth proportional to 508,450.10, 701,723.39 and 293,589.90 is: 405,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,450.10 : 701,723.39 = 293,589.90 : x
  2. Step 2: Convert to fraction form
    508,450.10/701,723.39 = 293,589.90/x
  3. Step 3: Cross multiply
    508,450.10x = 701,723.39 × 293,589.90
  4. Step 4: Simplify right side
    508,450.10x = 206,018,898,429.81
  5. Step 5: Solve for x
    x = 206,018,898,429.81/508,450.10
  6. Step 6: Final answer
    x = 405,190.01

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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.