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Finding the Fourth Proportional to 336,030.80, 504,629.40 and 178,566.80

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Solution

The fourth proportional to 336,030.80, 504,629.40 and 178,566.80 is: 268,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,030.80 : 504,629.40 = 178,566.80 : x
  2. Step 2: Convert to fraction form
    336,030.80/504,629.40 = 178,566.80/x
  3. Step 3: Cross multiply
    336,030.80x = 504,629.40 × 178,566.80
  4. Step 4: Simplify right side
    336,030.80x = 90,110,057,143.92
  5. Step 5: Solve for x
    x = 90,110,057,143.92/336,030.80
  6. Step 6: Final answer
    x = 268,160.11

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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.