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Finding the Fourth Proportional to 494,801.10, 742,201.65 and 376,703.10

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Solution

The fourth proportional to 494,801.10, 742,201.65 and 376,703.10 is: 565,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,801.10 : 742,201.65 = 376,703.10 : x
  2. Step 2: Convert to fraction form
    494,801.10/742,201.65 = 376,703.10/x
  3. Step 3: Cross multiply
    494,801.10x = 742,201.65 × 376,703.10
  4. Step 4: Simplify right side
    494,801.10x = 279,589,662,380.12
  5. Step 5: Solve for x
    x = 279,589,662,380.12/494,801.10
  6. Step 6: Final answer
    x = 565,054.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.