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Finding the Fourth Proportional to 370,860.68, 511,785.60 and 201,091.16

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Solution

The fourth proportional to 370,860.68, 511,785.60 and 201,091.16 is: 277,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,860.68 : 511,785.60 = 201,091.16 : x
  2. Step 2: Convert to fraction form
    370,860.68/511,785.60 = 201,091.16/x
  3. Step 3: Cross multiply
    370,860.68x = 511,785.60 × 201,091.16
  4. Step 4: Simplify right side
    370,860.68x = 102,915,559,975.30
  5. Step 5: Solve for x
    x = 102,915,559,975.30/370,860.68
  6. Step 6: Final answer
    x = 277,504.64

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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.