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Finding the Fourth Proportional to 513,341.94, 768,850.14 and 247,293.38

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Solution

The fourth proportional to 513,341.94, 768,850.14 and 247,293.38 is: 370,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,341.94 : 768,850.14 = 247,293.38 : x
  2. Step 2: Convert to fraction form
    513,341.94/768,850.14 = 247,293.38/x
  3. Step 3: Cross multiply
    513,341.94x = 768,850.14 × 247,293.38
  4. Step 4: Simplify right side
    513,341.94x = 190,131,549,834.07
  5. Step 5: Solve for x
    x = 190,131,549,834.07/513,341.94
  6. Step 6: Final answer
    x = 370,379.93

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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.