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Finding the Fourth Proportional to 368,194, 508,104.54 and 207,045.62

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Solution

The fourth proportional to 368,194, 508,104.54 and 207,045.62 is: 285,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,194 : 508,104.54 = 207,045.62 : x
  2. Step 2: Convert to fraction form
    368,194/508,104.54 = 207,045.62/x
  3. Step 3: Cross multiply
    368,194x = 508,104.54 × 207,045.62
  4. Step 4: Simplify right side
    368,194x = 105,200,819,509.12
  5. Step 5: Solve for x
    x = 105,200,819,509.12/368,194
  6. Step 6: Final answer
    x = 285,721.17

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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.