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Finding the Fourth Proportional to 460,783.86, 635,884.63 and 256,847.69

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Solution

The fourth proportional to 460,783.86, 635,884.63 and 256,847.69 is: 354,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,783.86 : 635,884.63 = 256,847.69 : x
  2. Step 2: Convert to fraction form
    460,783.86/635,884.63 = 256,847.69/x
  3. Step 3: Cross multiply
    460,783.86x = 635,884.63 × 256,847.69
  4. Step 4: Simplify right side
    460,783.86x = 163,325,499,269.60
  5. Step 5: Solve for x
    x = 163,325,499,269.60/460,783.86
  6. Step 6: Final answer
    x = 354,451.44

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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.