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Finding the Fourth Proportional to 631,426.68, 945,626.94 and 460,189.44

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Solution

The fourth proportional to 631,426.68, 945,626.94 and 460,189.44 is: 689,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,426.68 : 945,626.94 = 460,189.44 : x
  2. Step 2: Convert to fraction form
    631,426.68/945,626.94 = 460,189.44/x
  3. Step 3: Cross multiply
    631,426.68x = 945,626.94 × 460,189.44
  4. Step 4: Simplify right side
    631,426.68x = 435,167,531,967.51
  5. Step 5: Solve for x
    x = 435,167,531,967.51/631,426.68
  6. Step 6: Final answer
    x = 689,181.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.