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Finding the Fourth Proportional to 459,992.22, 634,789.14 and 256,038.77

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Solution

The fourth proportional to 459,992.22, 634,789.14 and 256,038.77 is: 353,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,992.22 : 634,789.14 = 256,038.77 : x
  2. Step 2: Convert to fraction form
    459,992.22/634,789.14 = 256,038.77/x
  3. Step 3: Cross multiply
    459,992.22x = 634,789.14 × 256,038.77
  4. Step 4: Simplify right side
    459,992.22x = 162,530,631,241.79
  5. Step 5: Solve for x
    x = 162,530,631,241.79/459,992.22
  6. Step 6: Final answer
    x = 353,333.44

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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.