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Finding the Fourth Proportional to 658,852.26, 909,216.16 and 357,046.26

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Solution

The fourth proportional to 658,852.26, 909,216.16 and 357,046.26 is: 492,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,852.26 : 909,216.16 = 357,046.26 : x
  2. Step 2: Convert to fraction form
    658,852.26/909,216.16 = 357,046.26/x
  3. Step 3: Cross multiply
    658,852.26x = 909,216.16 × 357,046.26
  4. Step 4: Simplify right side
    658,852.26x = 324,632,229,459.56
  5. Step 5: Solve for x
    x = 324,632,229,459.56/658,852.26
  6. Step 6: Final answer
    x = 492,723.86

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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.