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Finding the Fourth Proportional to 479,059.80, 661,088.34 and 264,199.80

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Solution

The fourth proportional to 479,059.80, 661,088.34 and 264,199.80 is: 364,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,059.80 : 661,088.34 = 264,199.80 : x
  2. Step 2: Convert to fraction form
    479,059.80/661,088.34 = 264,199.80/x
  3. Step 3: Cross multiply
    479,059.80x = 661,088.34 × 264,199.80
  4. Step 4: Simplify right side
    479,059.80x = 174,659,407,210.33
  5. Step 5: Solve for x
    x = 174,659,407,210.33/479,059.80
  6. Step 6: Final answer
    x = 364,587.90

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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.