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Finding the Fourth Proportional to 252,109.40, 353,215.60 and 252,109.40

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Solution

The fourth proportional to 252,109.40, 353,215.60 and 252,109.40 is: 353,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,109.40 : 353,215.60 = 252,109.40 : x
  2. Step 2: Convert to fraction form
    252,109.40/353,215.60 = 252,109.40/x
  3. Step 3: Cross multiply
    252,109.40x = 353,215.60 × 252,109.40
  4. Step 4: Simplify right side
    252,109.40x = 89,048,972,986.64
  5. Step 5: Solve for x
    x = 89,048,972,986.64/252,109.40
  6. Step 6: Final answer
    x = 353,215.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.