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Finding the Fourth Proportional to 683,080.55, 942,645.85 and 377,156.91

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Solution

The fourth proportional to 683,080.55, 942,645.85 and 377,156.91 is: 520,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,080.55 : 942,645.85 = 377,156.91 : x
  2. Step 2: Convert to fraction form
    683,080.55/942,645.85 = 377,156.91/x
  3. Step 3: Cross multiply
    683,080.55x = 942,645.85 × 377,156.91
  4. Step 4: Simplify right side
    683,080.55x = 355,525,396,010.32
  5. Step 5: Solve for x
    x = 355,525,396,010.32/683,080.55
  6. Step 6: Final answer
    x = 520,473.61

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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.