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Finding the Fourth Proportional to 645,094.94, 967,759.01 and 265,804.66

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Solution

The fourth proportional to 645,094.94, 967,759.01 and 265,804.66 is: 398,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,094.94 : 967,759.01 = 265,804.66 : x
  2. Step 2: Convert to fraction form
    645,094.94/967,759.01 = 265,804.66/x
  3. Step 3: Cross multiply
    645,094.94x = 967,759.01 × 265,804.66
  4. Step 4: Simplify right side
    645,094.94x = 257,234,854,614.99
  5. Step 5: Solve for x
    x = 257,234,854,614.99/645,094.94
  6. Step 6: Final answer
    x = 398,755.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.