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Finding the Fourth Proportional to 682,214.60, 941,448.69 and 376,303.89

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Solution

The fourth proportional to 682,214.60, 941,448.69 and 376,303.89 is: 519,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,214.60 : 941,448.69 = 376,303.89 : x
  2. Step 2: Convert to fraction form
    682,214.60/941,448.69 = 376,303.89/x
  3. Step 3: Cross multiply
    682,214.60x = 941,448.69 × 376,303.89
  4. Step 4: Simplify right side
    682,214.60x = 354,270,807,812.84
  5. Step 5: Solve for x
    x = 354,270,807,812.84/682,214.60
  6. Step 6: Final answer
    x = 519,295.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.