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Finding the Fourth Proportional to 577,706, 797,219.36 and 319,576.22

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Solution

The fourth proportional to 577,706, 797,219.36 and 319,576.22 is: 441,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,706 : 797,219.36 = 319,576.22 : x
  2. Step 2: Convert to fraction form
    577,706/797,219.36 = 319,576.22/x
  3. Step 3: Cross multiply
    577,706x = 797,219.36 × 319,576.22
  4. Step 4: Simplify right side
    577,706x = 254,772,349,579.62
  5. Step 5: Solve for x
    x = 254,772,349,579.62/577,706
  6. Step 6: Final answer
    x = 441,006.93

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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.