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Finding the Fourth Proportional to 370,768.30, 511,659.23 and 201,001.90

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Solution

The fourth proportional to 370,768.30, 511,659.23 and 201,001.90 is: 277,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,768.30 : 511,659.23 = 201,001.90 : x
  2. Step 2: Convert to fraction form
    370,768.30/511,659.23 = 201,001.90/x
  3. Step 3: Cross multiply
    370,768.30x = 511,659.23 × 201,001.90
  4. Step 4: Simplify right side
    370,768.30x = 102,844,477,382.54
  5. Step 5: Solve for x
    x = 102,844,477,382.54/370,768.30
  6. Step 6: Final answer
    x = 277,382.07

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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.