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Finding the Fourth Proportional to 611,108.88, 843,339.24 and 339,194.22

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Solution

The fourth proportional to 611,108.88, 843,339.24 and 339,194.22 is: 468,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,108.88 : 843,339.24 = 339,194.22 : x
  2. Step 2: Convert to fraction form
    611,108.88/843,339.24 = 339,194.22/x
  3. Step 3: Cross multiply
    611,108.88x = 843,339.24 × 339,194.22
  4. Step 4: Simplify right side
    611,108.88x = 286,055,795,707.19
  5. Step 5: Solve for x
    x = 286,055,795,707.19/611,108.88
  6. Step 6: Final answer
    x = 468,093.01

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Double scale
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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.