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Finding the Fourth Proportional to 264,794.21, 365,416.25 and 143,935.49

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Solution

The fourth proportional to 264,794.21, 365,416.25 and 143,935.49 is: 198,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,794.21 : 365,416.25 = 143,935.49 : x
  2. Step 2: Convert to fraction form
    264,794.21/365,416.25 = 143,935.49/x
  3. Step 3: Cross multiply
    264,794.21x = 365,416.25 × 143,935.49
  4. Step 4: Simplify right side
    264,794.21x = 52,596,366,997.71
  5. Step 5: Solve for x
    x = 52,596,366,997.71/264,794.21
  6. Step 6: Final answer
    x = 198,631.11

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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.