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Finding the Fourth Proportional to 233,286.40, 349,929.60 and 186,630.40

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Solution

The fourth proportional to 233,286.40, 349,929.60 and 186,630.40 is: 279,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,286.40 : 349,929.60 = 186,630.40 : x
  2. Step 2: Convert to fraction form
    233,286.40/349,929.60 = 186,630.40/x
  3. Step 3: Cross multiply
    233,286.40x = 349,929.60 × 186,630.40
  4. Step 4: Simplify right side
    233,286.40x = 65,307,501,219.84
  5. Step 5: Solve for x
    x = 65,307,501,219.84/233,286.40
  6. Step 6: Final answer
    x = 279,945.60

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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.