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Finding the Fourth Proportional to 551,241.39, 758,953.44 and 470,344.26

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Solution

The fourth proportional to 551,241.39, 758,953.44 and 470,344.26 is: 647,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,241.39 : 758,953.44 = 470,344.26 : x
  2. Step 2: Convert to fraction form
    551,241.39/758,953.44 = 470,344.26/x
  3. Step 3: Cross multiply
    551,241.39x = 758,953.44 × 470,344.26
  4. Step 4: Simplify right side
    551,241.39x = 356,969,394,111.25
  5. Step 5: Solve for x
    x = 356,969,394,111.25/551,241.39
  6. Step 6: Final answer
    x = 647,573.64

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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.