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Finding the Fourth Proportional to 341,348.85, 470,865.56 and 198,090.63

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Solution

The fourth proportional to 341,348.85, 470,865.56 and 198,090.63 is: 273,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,348.85 : 470,865.56 = 198,090.63 : x
  2. Step 2: Convert to fraction form
    341,348.85/470,865.56 = 198,090.63/x
  3. Step 3: Cross multiply
    341,348.85x = 470,865.56 × 198,090.63
  4. Step 4: Simplify right side
    341,348.85x = 93,274,054,435.25
  5. Step 5: Solve for x
    x = 93,274,054,435.25/341,348.85
  6. Step 6: Final answer
    x = 273,251.41

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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.