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Finding the Fourth Proportional to 336,510.39, 504,656.35 and 111,810.48

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Solution

The fourth proportional to 336,510.39, 504,656.35 and 111,810.48 is: 167,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,510.39 : 504,656.35 = 111,810.48 : x
  2. Step 2: Convert to fraction form
    336,510.39/504,656.35 = 111,810.48/x
  3. Step 3: Cross multiply
    336,510.39x = 504,656.35 × 111,810.48
  4. Step 4: Simplify right side
    336,510.39x = 56,425,868,728.55
  5. Step 5: Solve for x
    x = 56,425,868,728.55/336,510.39
  6. Step 6: Final answer
    x = 167,679.43

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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.