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Finding the Fourth Proportional to 277,720.60, 383,252.52 and 150,393.28

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Solution

The fourth proportional to 277,720.60, 383,252.52 and 150,393.28 is: 207,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,720.60 : 383,252.52 = 150,393.28 : x
  2. Step 2: Convert to fraction form
    277,720.60/383,252.52 = 150,393.28/x
  3. Step 3: Cross multiply
    277,720.60x = 383,252.52 × 150,393.28
  4. Step 4: Simplify right side
    277,720.60x = 57,638,603,551.07
  5. Step 5: Solve for x
    x = 57,638,603,551.07/277,720.60
  6. Step 6: Final answer
    x = 207,541.69

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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.