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Finding the Fourth Proportional to 606,498.30, 910,403.55 and 382,112.10

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Solution

The fourth proportional to 606,498.30, 910,403.55 and 382,112.10 is: 573,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,498.30 : 910,403.55 = 382,112.10 : x
  2. Step 2: Convert to fraction form
    606,498.30/910,403.55 = 382,112.10/x
  3. Step 3: Cross multiply
    606,498.30x = 910,403.55 × 382,112.10
  4. Step 4: Simplify right side
    606,498.30x = 347,876,212,337.96
  5. Step 5: Solve for x
    x = 347,876,212,337.96/606,498.30
  6. Step 6: Final answer
    x = 573,581.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.