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Finding the Fourth Proportional to 370,438.20, 555,938.40 and 244,035.30

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Solution

The fourth proportional to 370,438.20, 555,938.40 and 244,035.30 is: 366,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,438.20 : 555,938.40 = 244,035.30 : x
  2. Step 2: Convert to fraction form
    370,438.20/555,938.40 = 244,035.30/x
  3. Step 3: Cross multiply
    370,438.20x = 555,938.40 × 244,035.30
  4. Step 4: Simplify right side
    370,438.20x = 135,668,594,225.52
  5. Step 5: Solve for x
    x = 135,668,594,225.52/370,438.20
  6. Step 6: Final answer
    x = 366,238.13

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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.