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Finding the Fourth Proportional to 334,394.65, 501,608.42 and 134,688.03

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Solution

The fourth proportional to 334,394.65, 501,608.42 and 134,688.03 is: 202,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,394.65 : 501,608.42 = 134,688.03 : x
  2. Step 2: Convert to fraction form
    334,394.65/501,608.42 = 134,688.03/x
  3. Step 3: Cross multiply
    334,394.65x = 501,608.42 × 134,688.03
  4. Step 4: Simplify right side
    334,394.65x = 67,560,651,072.18
  5. Step 5: Solve for x
    x = 67,560,651,072.18/334,394.65
  6. Step 6: Final answer
    x = 202,038.67

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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.