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Finding the Fourth Proportional to 594,671.07, 821,327.22 and 391,629.54

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Solution

The fourth proportional to 594,671.07, 821,327.22 and 391,629.54 is: 540,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,671.07 : 821,327.22 = 391,629.54 : x
  2. Step 2: Convert to fraction form
    594,671.07/821,327.22 = 391,629.54/x
  3. Step 3: Cross multiply
    594,671.07x = 821,327.22 × 391,629.54
  4. Step 4: Simplify right side
    594,671.07x = 321,656,001,358.08
  5. Step 5: Solve for x
    x = 321,656,001,358.08/594,671.07
  6. Step 6: Final answer
    x = 540,897.34

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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.