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Finding the Fourth Proportional to 546,161.68, 754,026.06 and 485,564.64

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Solution

The fourth proportional to 546,161.68, 754,026.06 and 485,564.64 is: 670,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,161.68 : 754,026.06 = 485,564.64 : x
  2. Step 2: Convert to fraction form
    546,161.68/754,026.06 = 485,564.64/x
  3. Step 3: Cross multiply
    546,161.68x = 754,026.06 × 485,564.64
  4. Step 4: Simplify right side
    546,161.68x = 366,128,392,374.52
  5. Step 5: Solve for x
    x = 366,128,392,374.52/546,161.68
  6. Step 6: Final answer
    x = 670,366.31

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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.