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Finding the Fourth Proportional to 771,292.90, 1,064,257.67 and 484,610

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Solution

The fourth proportional to 771,292.90, 1,064,257.67 and 484,610 is: 668,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,292.90 : 1,064,257.67 = 484,610 : x
  2. Step 2: Convert to fraction form
    771,292.90/1,064,257.67 = 484,610/x
  3. Step 3: Cross multiply
    771,292.90x = 1,064,257.67 × 484,610
  4. Step 4: Simplify right side
    771,292.90x = 515,749,907,035.65
  5. Step 5: Solve for x
    x = 515,749,907,035.65/771,292.90
  6. Step 6: Final answer
    x = 668,682.30

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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.