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Finding the Fourth Proportional to 683,644.97, 943,449.08 and 377,741.06

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Solution

The fourth proportional to 683,644.97, 943,449.08 and 377,741.06 is: 521,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,644.97 : 943,449.08 = 377,741.06 : x
  2. Step 2: Convert to fraction form
    683,644.97/943,449.08 = 377,741.06/x
  3. Step 3: Cross multiply
    683,644.97x = 943,449.08 × 377,741.06
  4. Step 4: Simplify right side
    683,644.97x = 356,379,461,315.43
  5. Step 5: Solve for x
    x = 356,379,461,315.43/683,644.97
  6. Step 6: Final answer
    x = 521,293.18

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Double scale
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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.