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Finding the Fourth Proportional to 683,859.87, 943,729.57 and 373,768.71

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Solution

The fourth proportional to 683,859.87, 943,729.57 and 373,768.71 is: 515,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,859.87 : 943,729.57 = 373,768.71 : x
  2. Step 2: Convert to fraction form
    683,859.87/943,729.57 = 373,768.71/x
  3. Step 3: Cross multiply
    683,859.87x = 943,729.57 × 373,768.71
  4. Step 4: Simplify right side
    683,859.87x = 352,736,583,967.76
  5. Step 5: Solve for x
    x = 352,736,583,967.76/683,859.87
  6. Step 6: Final answer
    x = 515,802.43

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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.