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Finding the Fourth Proportional to 336,386.26, 504,662.44 and 99,728.93

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Solution

The fourth proportional to 336,386.26, 504,662.44 and 99,728.93 is: 149,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,386.26 : 504,662.44 = 99,728.93 : x
  2. Step 2: Convert to fraction form
    336,386.26/504,662.44 = 99,728.93/x
  3. Step 3: Cross multiply
    336,386.26x = 504,662.44 × 99,728.93
  4. Step 4: Simplify right side
    336,386.26x = 50,329,445,152.39
  5. Step 5: Solve for x
    x = 50,329,445,152.39/336,386.26
  6. Step 6: Final answer
    x = 149,618.02

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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.