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Finding the Fourth Proportional to 683,976.60, 943,871.24 and 373,865.27

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Solution

The fourth proportional to 683,976.60, 943,871.24 and 373,865.27 is: 515,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,976.60 : 943,871.24 = 373,865.27 : x
  2. Step 2: Convert to fraction form
    683,976.60/943,871.24 = 373,865.27/x
  3. Step 3: Cross multiply
    683,976.60x = 943,871.24 × 373,865.27
  4. Step 4: Simplify right side
    683,976.60x = 352,880,675,987.84
  5. Step 5: Solve for x
    x = 352,880,675,987.84/683,976.60
  6. Step 6: Final answer
    x = 515,925.07

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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.