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Finding the Fourth Proportional to 306,266.59, 422,671.49 and 183,763.54

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Solution

The fourth proportional to 306,266.59, 422,671.49 and 183,763.54 is: 253,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,266.59 : 422,671.49 = 183,763.54 : x
  2. Step 2: Convert to fraction form
    306,266.59/422,671.49 = 183,763.54/x
  3. Step 3: Cross multiply
    306,266.59x = 422,671.49 × 183,763.54
  4. Step 4: Simplify right side
    306,266.59x = 77,671,607,973.09
  5. Step 5: Solve for x
    x = 77,671,607,973.09/306,266.59
  6. Step 6: Final answer
    x = 253,607.84

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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.