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Finding the Fourth Proportional to 475,080.08, 655,447.80 and 270,984.32

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Solution

The fourth proportional to 475,080.08, 655,447.80 and 270,984.32 is: 373,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,080.08 : 655,447.80 = 270,984.32 : x
  2. Step 2: Convert to fraction form
    475,080.08/655,447.80 = 270,984.32/x
  3. Step 3: Cross multiply
    475,080.08x = 655,447.80 × 270,984.32
  4. Step 4: Simplify right side
    475,080.08x = 177,616,076,378.50
  5. Step 5: Solve for x
    x = 177,616,076,378.50/475,080.08
  6. Step 6: Final answer
    x = 373,865.55

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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.