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Finding the Fourth Proportional to 343,765.06, 474,400.83 and 190,813.10

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Solution

The fourth proportional to 343,765.06, 474,400.83 and 190,813.10 is: 263,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,765.06 : 474,400.83 = 190,813.10 : x
  2. Step 2: Convert to fraction form
    343,765.06/474,400.83 = 190,813.10/x
  3. Step 3: Cross multiply
    343,765.06x = 474,400.83 × 190,813.10
  4. Step 4: Simplify right side
    343,765.06x = 90,521,891,358.42
  5. Step 5: Solve for x
    x = 90,521,891,358.42/343,765.06
  6. Step 6: Final answer
    x = 263,324.88

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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.