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Finding the Fourth Proportional to 352,630.14, 486,627.84 and 191,483.76

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Solution

The fourth proportional to 352,630.14, 486,627.84 and 191,483.76 is: 264,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,630.14 : 486,627.84 = 191,483.76 : x
  2. Step 2: Convert to fraction form
    352,630.14/486,627.84 = 191,483.76/x
  3. Step 3: Cross multiply
    352,630.14x = 486,627.84 × 191,483.76
  4. Step 4: Simplify right side
    352,630.14x = 93,181,328,523.88
  5. Step 5: Solve for x
    x = 93,181,328,523.88/352,630.14
  6. Step 6: Final answer
    x = 264,246.64

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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.