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Finding the Fourth Proportional to 360,202.92, 540,134.74 and 210,486.48

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Solution

The fourth proportional to 360,202.92, 540,134.74 and 210,486.48 is: 315,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,202.92 : 540,134.74 = 210,486.48 : x
  2. Step 2: Convert to fraction form
    360,202.92/540,134.74 = 210,486.48/x
  3. Step 3: Cross multiply
    360,202.92x = 540,134.74 × 210,486.48
  4. Step 4: Simplify right side
    360,202.92x = 113,691,060,148.32
  5. Step 5: Solve for x
    x = 113,691,060,148.32/360,202.92
  6. Step 6: Final answer
    x = 315,630.59

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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.