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Finding the Fourth Proportional to 343,741, 474,355.44 and 190,770.31

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Solution

The fourth proportional to 343,741, 474,355.44 and 190,770.31 is: 263,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,741 : 474,355.44 = 190,770.31 : x
  2. Step 2: Convert to fraction form
    343,741/474,355.44 = 190,770.31/x
  3. Step 3: Cross multiply
    343,741x = 474,355.44 × 190,770.31
  4. Step 4: Simplify right side
    343,741x = 90,492,934,338.99
  5. Step 5: Solve for x
    x = 90,492,934,338.99/343,741
  6. Step 6: Final answer
    x = 263,259.07

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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.