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Finding the Fourth Proportional to 436,160.40, 654,240.60 and 404,667.60

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Solution

The fourth proportional to 436,160.40, 654,240.60 and 404,667.60 is: 607,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,160.40 : 654,240.60 = 404,667.60 : x
  2. Step 2: Convert to fraction form
    436,160.40/654,240.60 = 404,667.60/x
  3. Step 3: Cross multiply
    436,160.40x = 654,240.60 × 404,667.60
  4. Step 4: Simplify right side
    436,160.40x = 264,749,973,424.56
  5. Step 5: Solve for x
    x = 264,749,973,424.56/436,160.40
  6. Step 6: Final answer
    x = 607,001.40

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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.