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Finding the Fourth Proportional to 370,992.92, 511,956.36 and 201,223.40

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Solution

The fourth proportional to 370,992.92, 511,956.36 and 201,223.40 is: 277,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,992.92 : 511,956.36 = 201,223.40 : x
  2. Step 2: Convert to fraction form
    370,992.92/511,956.36 = 201,223.40/x
  3. Step 3: Cross multiply
    370,992.92x = 511,956.36 × 201,223.40
  4. Step 4: Simplify right side
    370,992.92x = 103,017,596,851.04
  5. Step 5: Solve for x
    x = 103,017,596,851.04/370,992.92
  6. Step 6: Final answer
    x = 277,680.77

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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.