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Finding the Fourth Proportional to 594,666.96, 821,321.52 and 391,625.49

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Solution

The fourth proportional to 594,666.96, 821,321.52 and 391,625.49 is: 540,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,666.96 : 821,321.52 = 391,625.49 : x
  2. Step 2: Convert to fraction form
    594,666.96/821,321.52 = 391,625.49/x
  3. Step 3: Cross multiply
    594,666.96x = 821,321.52 × 391,625.49
  4. Step 4: Simplify right side
    594,666.96x = 321,650,442,717.55
  5. Step 5: Solve for x
    x = 321,650,442,717.55/594,666.96
  6. Step 6: Final answer
    x = 540,891.73

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1.5x scale

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.