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Finding the Fourth Proportional to 333,338.40, 499,903.80 and 111,670.56

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Solution

The fourth proportional to 333,338.40, 499,903.80 and 111,670.56 is: 167,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,338.40 : 499,903.80 = 111,670.56 : x
  2. Step 2: Convert to fraction form
    333,338.40/499,903.80 = 111,670.56/x
  3. Step 3: Cross multiply
    333,338.40x = 499,903.80 × 111,670.56
  4. Step 4: Simplify right side
    333,338.40x = 55,824,537,292.13
  5. Step 5: Solve for x
    x = 55,824,537,292.13/333,338.40
  6. Step 6: Final answer
    x = 167,471.07

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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.