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Finding the Fourth Proportional to 277,999.80, 416,922.90 and 111,804.60

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Solution

The fourth proportional to 277,999.80, 416,922.90 and 111,804.60 is: 167,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,999.80 : 416,922.90 = 111,804.60 : x
  2. Step 2: Convert to fraction form
    277,999.80/416,922.90 = 111,804.60/x
  3. Step 3: Cross multiply
    277,999.80x = 416,922.90 × 111,804.60
  4. Step 4: Simplify right side
    277,999.80x = 46,613,898,065.34
  5. Step 5: Solve for x
    x = 46,613,898,065.34/277,999.80
  6. Step 6: Final answer
    x = 167,676.01

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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.