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Finding the Fourth Proportional to 683,858.87, 943,728.19 and 373,767.71

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Solution

The fourth proportional to 683,858.87, 943,728.19 and 373,767.71 is: 515,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,858.87 : 943,728.19 = 373,767.71 : x
  2. Step 2: Convert to fraction form
    683,858.87/943,728.19 = 373,767.71/x
  3. Step 3: Cross multiply
    683,858.87x = 943,728.19 × 373,767.71
  4. Step 4: Simplify right side
    683,858.87x = 352,735,118,785.69
  5. Step 5: Solve for x
    x = 352,735,118,785.69/683,858.87
  6. Step 6: Final answer
    x = 515,801.04

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1.5x scale

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.