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Finding the Fourth Proportional to 370,868.40, 511,796.16 and 201,102.51

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Solution

The fourth proportional to 370,868.40, 511,796.16 and 201,102.51 is: 277,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,868.40 : 511,796.16 = 201,102.51 : x
  2. Step 2: Convert to fraction form
    370,868.40/511,796.16 = 201,102.51/x
  3. Step 3: Cross multiply
    370,868.40x = 511,796.16 × 201,102.51
  4. Step 4: Simplify right side
    370,868.40x = 102,923,492,384.36
  5. Step 5: Solve for x
    x = 102,923,492,384.36/370,868.40
  6. Step 6: Final answer
    x = 277,520.25

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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.