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Finding the Fourth Proportional to 459,060.80, 633,519.29 and 255,120.32

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Solution

The fourth proportional to 459,060.80, 633,519.29 and 255,120.32 is: 352,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,060.80 : 633,519.29 = 255,120.32 : x
  2. Step 2: Convert to fraction form
    459,060.80/633,519.29 = 255,120.32/x
  3. Step 3: Cross multiply
    459,060.80x = 633,519.29 × 255,120.32
  4. Step 4: Simplify right side
    459,060.80x = 161,623,646,212.57
  5. Step 5: Solve for x
    x = 161,623,646,212.57/459,060.80
  6. Step 6: Final answer
    x = 352,074.60

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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.