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Finding the Fourth Proportional to 312,801.42, 469,202.22 and 113,117.34

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Solution

The fourth proportional to 312,801.42, 469,202.22 and 113,117.34 is: 169,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,801.42 : 469,202.22 = 113,117.34 : x
  2. Step 2: Convert to fraction form
    312,801.42/469,202.22 = 113,117.34/x
  3. Step 3: Cross multiply
    312,801.42x = 469,202.22 × 113,117.34
  4. Step 4: Simplify right side
    312,801.42x = 53,074,907,048.49
  5. Step 5: Solve for x
    x = 53,074,907,048.49/312,801.42
  6. Step 6: Final answer
    x = 169,676.04

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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.