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Finding the Fourth Proportional to 797,115.60, 1,099,978.77 and 434,503.71

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Solution

The fourth proportional to 797,115.60, 1,099,978.77 and 434,503.71 is: 599,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,115.60 : 1,099,978.77 = 434,503.71 : x
  2. Step 2: Convert to fraction form
    797,115.60/1,099,978.77 = 434,503.71/x
  3. Step 3: Cross multiply
    797,115.60x = 1,099,978.77 × 434,503.71
  4. Step 4: Simplify right side
    797,115.60x = 477,944,856,486.24
  5. Step 5: Solve for x
    x = 477,944,856,486.24/797,115.60
  6. Step 6: Final answer
    x = 599,592.90

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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.