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Finding the Fourth Proportional to 264,523.80, 365,045.94 and 143,665.32

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Solution

The fourth proportional to 264,523.80, 365,045.94 and 143,665.32 is: 198,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,523.80 : 365,045.94 = 143,665.32 : x
  2. Step 2: Convert to fraction form
    264,523.80/365,045.94 = 143,665.32/x
  3. Step 3: Cross multiply
    264,523.80x = 365,045.94 × 143,665.32
  4. Step 4: Simplify right side
    264,523.80x = 52,444,441,784.80
  5. Step 5: Solve for x
    x = 52,444,441,784.80/264,523.80
  6. Step 6: Final answer
    x = 198,259.82

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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.