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Finding the Fourth Proportional to 555,914.39, 767,244.15 and 351,984.29

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Solution

The fourth proportional to 555,914.39, 767,244.15 and 351,984.29 is: 485,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,914.39 : 767,244.15 = 351,984.29 : x
  2. Step 2: Convert to fraction form
    555,914.39/767,244.15 = 351,984.29/x
  3. Step 3: Cross multiply
    555,914.39x = 767,244.15 × 351,984.29
  4. Step 4: Simplify right side
    555,914.39x = 270,057,883,558.18
  5. Step 5: Solve for x
    x = 270,057,883,558.18/555,914.39
  6. Step 6: Final answer
    x = 485,790.42

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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.