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Finding the Fourth Proportional to 277,849.64, 383,435.47 and 150,529.79

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Solution

The fourth proportional to 277,849.64, 383,435.47 and 150,529.79 is: 207,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,849.64 : 383,435.47 = 150,529.79 : x
  2. Step 2: Convert to fraction form
    277,849.64/383,435.47 = 150,529.79/x
  3. Step 3: Cross multiply
    277,849.64x = 383,435.47 × 150,529.79
  4. Step 4: Simplify right side
    277,849.64x = 57,718,461,924.40
  5. Step 5: Solve for x
    x = 57,718,461,924.40/277,849.64
  6. Step 6: Final answer
    x = 207,732.72

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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.