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Finding the Fourth Proportional to 298,331.04, 411,690.42 and 162,361.56

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Solution

The fourth proportional to 298,331.04, 411,690.42 and 162,361.56 is: 224,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,331.04 : 411,690.42 = 162,361.56 : x
  2. Step 2: Convert to fraction form
    298,331.04/411,690.42 = 162,361.56/x
  3. Step 3: Cross multiply
    298,331.04x = 411,690.42 × 162,361.56
  4. Step 4: Simplify right side
    298,331.04x = 66,842,698,828.26
  5. Step 5: Solve for x
    x = 66,842,698,828.26/298,331.04
  6. Step 6: Final answer
    x = 224,055.46

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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.