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Finding the Fourth Proportional to 510,092.55, 765,728.10 and 273,896.55

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Solution

The fourth proportional to 510,092.55, 765,728.10 and 273,896.55 is: 411,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,092.55 : 765,728.10 = 273,896.55 : x
  2. Step 2: Convert to fraction form
    510,092.55/765,728.10 = 273,896.55/x
  3. Step 3: Cross multiply
    510,092.55x = 765,728.10 × 273,896.55
  4. Step 4: Simplify right side
    510,092.55x = 209,730,284,828.06
  5. Step 5: Solve for x
    x = 209,730,284,828.06/510,092.55
  6. Step 6: Final answer
    x = 411,161.24

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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.