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Finding the Fourth Proportional to 281,323.48, 421,693.62 and 175,900.36

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Solution

The fourth proportional to 281,323.48, 421,693.62 and 175,900.36 is: 263,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,323.48 : 421,693.62 = 175,900.36 : x
  2. Step 2: Convert to fraction form
    281,323.48/421,693.62 = 175,900.36/x
  3. Step 3: Cross multiply
    281,323.48x = 421,693.62 × 175,900.36
  4. Step 4: Simplify right side
    281,323.48x = 74,176,059,567.70
  5. Step 5: Solve for x
    x = 74,176,059,567.70/281,323.48
  6. Step 6: Final answer
    x = 263,668.21

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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.