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Finding the Fourth Proportional to 306,927.88, 460,270.86 and 149,109.64

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Solution

The fourth proportional to 306,927.88, 460,270.86 and 149,109.64 is: 223,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,927.88 : 460,270.86 = 149,109.64 : x
  2. Step 2: Convert to fraction form
    306,927.88/460,270.86 = 149,109.64/x
  3. Step 3: Cross multiply
    306,927.88x = 460,270.86 × 149,109.64
  4. Step 4: Simplify right side
    306,927.88x = 68,630,822,237.09
  5. Step 5: Solve for x
    x = 68,630,822,237.09/306,927.88
  6. Step 6: Final answer
    x = 223,605.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.