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Finding the Fourth Proportional to 683,859.12, 943,728.53 and 373,767.95

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Solution

The fourth proportional to 683,859.12, 943,728.53 and 373,767.95 is: 515,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,859.12 : 943,728.53 = 373,767.95 : x
  2. Step 2: Convert to fraction form
    683,859.12/943,728.53 = 373,767.95/x
  3. Step 3: Cross multiply
    683,859.12x = 943,728.53 × 373,767.95
  4. Step 4: Simplify right side
    683,859.12x = 352,735,478,014.61
  5. Step 5: Solve for x
    x = 352,735,478,014.61/683,859.12
  6. Step 6: Final answer
    x = 515,801.38

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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.