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Finding the Fourth Proportional to 335,756.34, 503,634.51 and 111,056.40

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Solution

The fourth proportional to 335,756.34, 503,634.51 and 111,056.40 is: 166,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,756.34 : 503,634.51 = 111,056.40 : x
  2. Step 2: Convert to fraction form
    335,756.34/503,634.51 = 111,056.40/x
  3. Step 3: Cross multiply
    335,756.34x = 503,634.51 × 111,056.40
  4. Step 4: Simplify right side
    335,756.34x = 55,931,835,596.36
  5. Step 5: Solve for x
    x = 55,931,835,596.36/335,756.34
  6. Step 6: Final answer
    x = 166,584.60

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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.