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Finding the Fourth Proportional to 277,603.64, 383,738.66 and 247,685.48

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Solution

The fourth proportional to 277,603.64, 383,738.66 and 247,685.48 is: 342,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,603.64 : 383,738.66 = 247,685.48 : x
  2. Step 2: Convert to fraction form
    277,603.64/383,738.66 = 247,685.48/x
  3. Step 3: Cross multiply
    277,603.64x = 383,738.66 × 247,685.48
  4. Step 4: Simplify right side
    277,603.64x = 95,046,494,196.66
  5. Step 5: Solve for x
    x = 95,046,494,196.66/277,603.64
  6. Step 6: Final answer
    x = 342,382.02

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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.