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Finding the Fourth Proportional to 264,684, 365,259.36 and 143,827.20

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Solution

The fourth proportional to 264,684, 365,259.36 and 143,827.20 is: 198,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,684 : 365,259.36 = 143,827.20 : x
  2. Step 2: Convert to fraction form
    264,684/365,259.36 = 143,827.20/x
  3. Step 3: Cross multiply
    264,684x = 365,259.36 × 143,827.20
  4. Step 4: Simplify right side
    264,684x = 52,534,231,022.59
  5. Step 5: Solve for x
    x = 52,534,231,022.59/264,684
  6. Step 6: Final answer
    x = 198,479.06

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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.