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Finding the Fourth Proportional to 370,470.74, 555,115.62 and 237,241.40

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Solution

The fourth proportional to 370,470.74, 555,115.62 and 237,241.40 is: 355,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,470.74 : 555,115.62 = 237,241.40 : x
  2. Step 2: Convert to fraction form
    370,470.74/555,115.62 = 237,241.40/x
  3. Step 3: Cross multiply
    370,470.74x = 555,115.62 × 237,241.40
  4. Step 4: Simplify right side
    370,470.74x = 131,696,406,850.67
  5. Step 5: Solve for x
    x = 131,696,406,850.67/370,470.74
  6. Step 6: Final answer
    x = 355,483.96

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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.