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Finding the Fourth Proportional to 335,955.60, 503,933.40 and 99,300.60

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Solution

The fourth proportional to 335,955.60, 503,933.40 and 99,300.60 is: 148,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,955.60 : 503,933.40 = 99,300.60 : x
  2. Step 2: Convert to fraction form
    335,955.60/503,933.40 = 99,300.60/x
  3. Step 3: Cross multiply
    335,955.60x = 503,933.40 × 99,300.60
  4. Step 4: Simplify right side
    335,955.60x = 50,040,888,980.04
  5. Step 5: Solve for x
    x = 50,040,888,980.04/335,955.60
  6. Step 6: Final answer
    x = 148,950.90

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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.