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Finding the Fourth Proportional to 452,213.20, 623,838.54 and 270,838

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Solution

The fourth proportional to 452,213.20, 623,838.54 and 270,838 is: 373,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,213.20 : 623,838.54 = 270,838 : x
  2. Step 2: Convert to fraction form
    452,213.20/623,838.54 = 270,838/x
  3. Step 3: Cross multiply
    452,213.20x = 623,838.54 × 270,838
  4. Step 4: Simplify right side
    452,213.20x = 168,959,182,496.52
  5. Step 5: Solve for x
    x = 168,959,182,496.52/452,213.20
  6. Step 6: Final answer
    x = 373,627.27

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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.