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Finding the Fourth Proportional to 351,609.34, 485,223.23 and 190,464.39

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Solution

The fourth proportional to 351,609.34, 485,223.23 and 190,464.39 is: 262,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,609.34 : 485,223.23 = 190,464.39 : x
  2. Step 2: Convert to fraction form
    351,609.34/485,223.23 = 190,464.39/x
  3. Step 3: Cross multiply
    351,609.34x = 485,223.23 × 190,464.39
  4. Step 4: Simplify right side
    351,609.34x = 92,417,745,563.46
  5. Step 5: Solve for x
    x = 92,417,745,563.46/351,609.34
  6. Step 6: Final answer
    x = 262,842.13

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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.