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Finding the Fourth Proportional to 419,906, 579,493.32 and 241,069.52

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Solution

The fourth proportional to 419,906, 579,493.32 and 241,069.52 is: 332,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906 : 579,493.32 = 241,069.52 : x
  2. Step 2: Convert to fraction form
    419,906/579,493.32 = 241,069.52/x
  3. Step 3: Cross multiply
    419,906x = 579,493.32 × 241,069.52
  4. Step 4: Simplify right side
    419,906x = 139,698,176,495.61
  5. Step 5: Solve for x
    x = 139,698,176,495.61/419,906
  6. Step 6: Final answer
    x = 332,689.16

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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.