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Finding the Fourth Proportional to 263,430.10, 363,435.69 and 167,914.90

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Solution

The fourth proportional to 263,430.10, 363,435.69 and 167,914.90 is: 231,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,430.10 : 363,435.69 = 167,914.90 : x
  2. Step 2: Convert to fraction form
    263,430.10/363,435.69 = 167,914.90/x
  3. Step 3: Cross multiply
    263,430.10x = 363,435.69 × 167,914.90
  4. Step 4: Simplify right side
    263,430.10x = 61,026,267,542.78
  5. Step 5: Solve for x
    x = 61,026,267,542.78/263,430.10
  6. Step 6: Final answer
    x = 231,660.19

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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.