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Finding the Fourth Proportional to 370,958.40, 556,437.60 and 238,098.15

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Solution

The fourth proportional to 370,958.40, 556,437.60 and 238,098.15 is: 357,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,958.40 : 556,437.60 = 238,098.15 : x
  2. Step 2: Convert to fraction form
    370,958.40/556,437.60 = 238,098.15/x
  3. Step 3: Cross multiply
    370,958.40x = 556,437.60 × 238,098.15
  4. Step 4: Simplify right side
    370,958.40x = 132,486,763,150.44
  5. Step 5: Solve for x
    x = 132,486,763,150.44/370,958.40
  6. Step 6: Final answer
    x = 357,147.23

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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.