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Finding the Fourth Proportional to 264,550.61, 365,073.78 and 143,689.24

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Solution

The fourth proportional to 264,550.61, 365,073.78 and 143,689.24 is: 198,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,550.61 : 365,073.78 = 143,689.24 : x
  2. Step 2: Convert to fraction form
    264,550.61/365,073.78 = 143,689.24/x
  3. Step 3: Cross multiply
    264,550.61x = 365,073.78 × 143,689.24
  4. Step 4: Simplify right side
    264,550.61x = 52,457,174,987.30
  5. Step 5: Solve for x
    x = 52,457,174,987.30/264,550.61
  6. Step 6: Final answer
    x = 198,287.86

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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.