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Finding the Fourth Proportional to 438,047.24, 604,505.20 and 236,843.24

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Solution

The fourth proportional to 438,047.24, 604,505.20 and 236,843.24 is: 326,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,047.24 : 604,505.20 = 236,843.24 : x
  2. Step 2: Convert to fraction form
    438,047.24/604,505.20 = 236,843.24/x
  3. Step 3: Cross multiply
    438,047.24x = 604,505.20 × 236,843.24
  4. Step 4: Simplify right side
    438,047.24x = 143,172,970,164.85
  5. Step 5: Solve for x
    x = 143,172,970,164.85/438,047.24
  6. Step 6: Final answer
    x = 326,843.68

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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.