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Finding the Fourth Proportional to 266,104.47, 399,332.99 and 146,245.12

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Solution

The fourth proportional to 266,104.47, 399,332.99 and 146,245.12 is: 219,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,104.47 : 399,332.99 = 146,245.12 : x
  2. Step 2: Convert to fraction form
    266,104.47/399,332.99 = 146,245.12/x
  3. Step 3: Cross multiply
    266,104.47x = 399,332.99 × 146,245.12
  4. Step 4: Simplify right side
    266,104.47x = 58,400,501,042.51
  5. Step 5: Solve for x
    x = 58,400,501,042.51/266,104.47
  6. Step 6: Final answer
    x = 219,464.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.