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Finding the Fourth Proportional to 368,188.74, 508,097.27 and 207,040.35

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Solution

The fourth proportional to 368,188.74, 508,097.27 and 207,040.35 is: 285,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,188.74 : 508,097.27 = 207,040.35 : x
  2. Step 2: Convert to fraction form
    368,188.74/508,097.27 = 207,040.35/x
  3. Step 3: Cross multiply
    368,188.74x = 508,097.27 × 207,040.35
  4. Step 4: Simplify right side
    368,188.74x = 105,196,639,037.81
  5. Step 5: Solve for x
    x = 105,196,639,037.81/368,188.74
  6. Step 6: Final answer
    x = 285,713.90

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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.