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Finding the Fourth Proportional to 336,180.78, 504,417.78 and 111,571.02

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Solution

The fourth proportional to 336,180.78, 504,417.78 and 111,571.02 is: 167,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,180.78 : 504,417.78 = 111,571.02 : x
  2. Step 2: Convert to fraction form
    336,180.78/504,417.78 = 111,571.02/x
  3. Step 3: Cross multiply
    336,180.78x = 504,417.78 × 111,571.02
  4. Step 4: Simplify right side
    336,180.78x = 56,278,406,220.74
  5. Step 5: Solve for x
    x = 56,278,406,220.74/336,180.78
  6. Step 6: Final answer
    x = 167,405.19

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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.