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Finding the Fourth Proportional to 538,850.84, 743,609.58 and 297,143.60

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Solution

The fourth proportional to 538,850.84, 743,609.58 and 297,143.60 is: 410,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,850.84 : 743,609.58 = 297,143.60 : x
  2. Step 2: Convert to fraction form
    538,850.84/743,609.58 = 297,143.60/x
  3. Step 3: Cross multiply
    538,850.84x = 743,609.58 × 297,143.60
  4. Step 4: Simplify right side
    538,850.84x = 220,958,827,595.69
  5. Step 5: Solve for x
    x = 220,958,827,595.69/538,850.84
  6. Step 6: Final answer
    x = 410,055.64

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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.