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Finding the Fourth Proportional to 277,603.90, 383,093.31 and 150,279.40

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Solution

The fourth proportional to 277,603.90, 383,093.31 and 150,279.40 is: 207,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,603.90 : 383,093.31 = 150,279.40 : x
  2. Step 2: Convert to fraction form
    277,603.90/383,093.31 = 150,279.40/x
  3. Step 3: Cross multiply
    277,603.90x = 383,093.31 × 150,279.40
  4. Step 4: Simplify right side
    277,603.90x = 57,571,032,770.81
  5. Step 5: Solve for x
    x = 57,571,032,770.81/277,603.90
  6. Step 6: Final answer
    x = 207,385.53

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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.