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Finding the Fourth Proportional to 707,264.01, 1,060,907.01 and 393,713.82

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Solution

The fourth proportional to 707,264.01, 1,060,907.01 and 393,713.82 is: 590,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,264.01 : 1,060,907.01 = 393,713.82 : x
  2. Step 2: Convert to fraction form
    707,264.01/1,060,907.01 = 393,713.82/x
  3. Step 3: Cross multiply
    707,264.01x = 1,060,907.01 × 393,713.82
  4. Step 4: Simplify right side
    707,264.01x = 417,693,751,571.88
  5. Step 5: Solve for x
    x = 417,693,751,571.88/707,264.01
  6. Step 6: Final answer
    x = 590,576.85

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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.