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Finding the Fourth Proportional to 459,608.52, 634,298.07 and 255,697.86

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Solution

The fourth proportional to 459,608.52, 634,298.07 and 255,697.86 is: 352,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,608.52 : 634,298.07 = 255,697.86 : x
  2. Step 2: Convert to fraction form
    459,608.52/634,298.07 = 255,697.86/x
  3. Step 3: Cross multiply
    459,608.52x = 634,298.07 × 255,697.86
  4. Step 4: Simplify right side
    459,608.52x = 162,188,659,101.13
  5. Step 5: Solve for x
    x = 162,188,659,101.13/459,608.52
  6. Step 6: Final answer
    x = 352,884.36

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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.