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Finding the Fourth Proportional to 352,627.16, 486,636.79 and 199,662.92

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Solution

The fourth proportional to 352,627.16, 486,636.79 and 199,662.92 is: 275,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,627.16 : 486,636.79 = 199,662.92 : x
  2. Step 2: Convert to fraction form
    352,627.16/486,636.79 = 199,662.92/x
  3. Step 3: Cross multiply
    352,627.16x = 486,636.79 × 199,662.92
  4. Step 4: Simplify right side
    352,627.16x = 97,163,319,538.49
  5. Step 5: Solve for x
    x = 97,163,319,538.49/352,627.16
  6. Step 6: Final answer
    x = 275,541.22

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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.