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Finding the Fourth Proportional to 606,867.36, 910,019.34 and 354,220.80

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Solution

The fourth proportional to 606,867.36, 910,019.34 and 354,220.80 is: 531,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,867.36 : 910,019.34 = 354,220.80 : x
  2. Step 2: Convert to fraction form
    606,867.36/910,019.34 = 354,220.80/x
  3. Step 3: Cross multiply
    606,867.36x = 910,019.34 × 354,220.80
  4. Step 4: Simplify right side
    606,867.36x = 322,347,778,630.27
  5. Step 5: Solve for x
    x = 322,347,778,630.27/606,867.36
  6. Step 6: Final answer
    x = 531,166.78

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1.5x scale

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.