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Finding the Fourth Proportional to 438,404.52, 604,998.20 and 237,200.52

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Solution

The fourth proportional to 438,404.52, 604,998.20 and 237,200.52 is: 327,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,404.52 : 604,998.20 = 237,200.52 : x
  2. Step 2: Convert to fraction form
    438,404.52/604,998.20 = 237,200.52/x
  3. Step 3: Cross multiply
    438,404.52x = 604,998.20 × 237,200.52
  4. Step 4: Simplify right side
    438,404.52x = 143,505,887,639.06
  5. Step 5: Solve for x
    x = 143,505,887,639.06/438,404.52
  6. Step 6: Final answer
    x = 327,336.70

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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.