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Finding the Fourth Proportional to 404,595.60, 607,584.60 and 264,973.20

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Solution

The fourth proportional to 404,595.60, 607,584.60 and 264,973.20 is: 397,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,595.60 : 607,584.60 = 264,973.20 : x
  2. Step 2: Convert to fraction form
    404,595.60/607,584.60 = 264,973.20/x
  3. Step 3: Cross multiply
    404,595.60x = 607,584.60 × 264,973.20
  4. Step 4: Simplify right side
    404,595.60x = 160,993,635,732.72
  5. Step 5: Solve for x
    x = 160,993,635,732.72/404,595.60
  6. Step 6: Final answer
    x = 397,912.47

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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.