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Finding the Fourth Proportional to 683,828.81, 943,686.66 and 373,737.68

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Solution

The fourth proportional to 683,828.81, 943,686.66 and 373,737.68 is: 515,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,828.81 : 943,686.66 = 373,737.68 : x
  2. Step 2: Convert to fraction form
    683,828.81/943,686.66 = 373,737.68/x
  3. Step 3: Cross multiply
    683,828.81x = 943,686.66 × 373,737.68
  4. Step 4: Simplify right side
    683,828.81x = 352,691,262,955.35
  5. Step 5: Solve for x
    x = 352,691,262,955.35/683,828.81
  6. Step 6: Final answer
    x = 515,759.58

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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.