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Finding the Fourth Proportional to 282,327.30, 389,440.49 and 167,530.32

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Solution

The fourth proportional to 282,327.30, 389,440.49 and 167,530.32 is: 231,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,327.30 : 389,440.49 = 167,530.32 : x
  2. Step 2: Convert to fraction form
    282,327.30/389,440.49 = 167,530.32/x
  3. Step 3: Cross multiply
    282,327.30x = 389,440.49 × 167,530.32
  4. Step 4: Simplify right side
    282,327.30x = 65,243,089,073.01
  5. Step 5: Solve for x
    x = 65,243,089,073.01/282,327.30
  6. Step 6: Final answer
    x = 231,090.26

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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.