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Finding the Fourth Proportional to 437,768.64, 604,121.40 and 236,564.64

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Solution

The fourth proportional to 437,768.64, 604,121.40 and 236,564.64 is: 326,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,768.64 : 604,121.40 = 236,564.64 : x
  2. Step 2: Convert to fraction form
    437,768.64/604,121.40 = 236,564.64/x
  3. Step 3: Cross multiply
    437,768.64x = 604,121.40 × 236,564.64
  4. Step 4: Simplify right side
    437,768.64x = 142,913,761,507.30
  5. Step 5: Solve for x
    x = 142,913,761,507.30/437,768.64
  6. Step 6: Final answer
    x = 326,459.57

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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.