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Finding the Fourth Proportional to 264,646.60, 365,210.76 and 143,786.92

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Solution

The fourth proportional to 264,646.60, 365,210.76 and 143,786.92 is: 198,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,646.60 : 365,210.76 = 143,786.92 : x
  2. Step 2: Convert to fraction form
    264,646.60/365,210.76 = 143,786.92/x
  3. Step 3: Cross multiply
    264,646.60x = 365,210.76 × 143,786.92
  4. Step 4: Simplify right side
    264,646.60x = 52,512,530,331.26
  5. Step 5: Solve for x
    x = 52,512,530,331.26/264,646.60
  6. Step 6: Final answer
    x = 198,425.11

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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.