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Finding the Fourth Proportional to 368,258.59, 508,266.65 and 230,501.41

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Solution

The fourth proportional to 368,258.59, 508,266.65 and 230,501.41 is: 318,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,258.59 : 508,266.65 = 230,501.41 : x
  2. Step 2: Convert to fraction form
    368,258.59/508,266.65 = 230,501.41/x
  3. Step 3: Cross multiply
    368,258.59x = 508,266.65 × 230,501.41
  4. Step 4: Simplify right side
    368,258.59x = 117,156,179,480.98
  5. Step 5: Solve for x
    x = 117,156,179,480.98/368,258.59
  6. Step 6: Final answer
    x = 318,135.63

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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.