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Finding the Fourth Proportional to 554,239.94, 764,850.77 and 299,591.13

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Solution

The fourth proportional to 554,239.94, 764,850.77 and 299,591.13 is: 413,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,239.94 : 764,850.77 = 299,591.13 : x
  2. Step 2: Convert to fraction form
    554,239.94/764,850.77 = 299,591.13/x
  3. Step 3: Cross multiply
    554,239.94x = 764,850.77 × 299,591.13
  4. Step 4: Simplify right side
    554,239.94x = 229,142,503,222.99
  5. Step 5: Solve for x
    x = 229,142,503,222.99/554,239.94
  6. Step 6: Final answer
    x = 413,435.57

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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.