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Finding the Fourth Proportional to 250,446.80, 345,749.64 and 170,302.16

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Solution

The fourth proportional to 250,446.80, 345,749.64 and 170,302.16 is: 235,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,446.80 : 345,749.64 = 170,302.16 : x
  2. Step 2: Convert to fraction form
    250,446.80/345,749.64 = 170,302.16/x
  3. Step 3: Cross multiply
    250,446.80x = 345,749.64 × 170,302.16
  4. Step 4: Simplify right side
    250,446.80x = 58,881,910,511.22
  5. Step 5: Solve for x
    x = 58,881,910,511.22/250,446.80
  6. Step 6: Final answer
    x = 235,107.46

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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.