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Finding the Fourth Proportional to 370,858.60, 556,287.90 and 370,858.60

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Solution

The fourth proportional to 370,858.60, 556,287.90 and 370,858.60 is: 556,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,858.60 : 556,287.90 = 370,858.60 : x
  2. Step 2: Convert to fraction form
    370,858.60/556,287.90 = 370,858.60/x
  3. Step 3: Cross multiply
    370,858.60x = 556,287.90 × 370,858.60
  4. Step 4: Simplify right side
    370,858.60x = 206,304,151,790.94
  5. Step 5: Solve for x
    x = 206,304,151,790.94/370,858.60
  6. Step 6: Final answer
    x = 556,287.90

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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.