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Finding the Fourth Proportional to 617,452.07, 926,011.64 and 218,040.26

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Solution

The fourth proportional to 617,452.07, 926,011.64 and 218,040.26 is: 327,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,452.07 : 926,011.64 = 218,040.26 : x
  2. Step 2: Convert to fraction form
    617,452.07/926,011.64 = 218,040.26/x
  3. Step 3: Cross multiply
    617,452.07x = 926,011.64 × 218,040.26
  4. Step 4: Simplify right side
    617,452.07x = 201,907,814,663.67
  5. Step 5: Solve for x
    x = 201,907,814,663.67/617,452.07
  6. Step 6: Final answer
    x = 327,001.60

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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.