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Finding the Fourth Proportional to 426,448.44, 588,495 and 235,457.68

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Solution

The fourth proportional to 426,448.44, 588,495 and 235,457.68 is: 324,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,448.44 : 588,495 = 235,457.68 : x
  2. Step 2: Convert to fraction form
    426,448.44/588,495 = 235,457.68/x
  3. Step 3: Cross multiply
    426,448.44x = 588,495 × 235,457.68
  4. Step 4: Simplify right side
    426,448.44x = 138,565,667,391.60
  5. Step 5: Solve for x
    x = 138,565,667,391.60/426,448.44
  6. Step 6: Final answer
    x = 324,929.47

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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.