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Finding the Fourth Proportional to 277,804.96, 416,759.28 and 90,826.72

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Solution

The fourth proportional to 277,804.96, 416,759.28 and 90,826.72 is: 136,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,804.96 : 416,759.28 = 90,826.72 : x
  2. Step 2: Convert to fraction form
    277,804.96/416,759.28 = 90,826.72/x
  3. Step 3: Cross multiply
    277,804.96x = 416,759.28 × 90,826.72
  4. Step 4: Simplify right side
    277,804.96x = 37,852,878,431.96
  5. Step 5: Solve for x
    x = 37,852,878,431.96/277,804.96
  6. Step 6: Final answer
    x = 136,257.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.