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Finding the Fourth Proportional to 683,687.01, 943,482.56 and 377,762.16

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Solution

The fourth proportional to 683,687.01, 943,482.56 and 377,762.16 is: 521,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,687.01 : 943,482.56 = 377,762.16 : x
  2. Step 2: Convert to fraction form
    683,687.01/943,482.56 = 377,762.16/x
  3. Step 3: Cross multiply
    683,687.01x = 943,482.56 × 377,762.16
  4. Step 4: Simplify right side
    683,687.01x = 356,412,009,787.93
  5. Step 5: Solve for x
    x = 356,412,009,787.93/683,687.01
  6. Step 6: Final answer
    x = 521,308.73

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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.