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Finding the Fourth Proportional to 341,319.07, 511,810.12 and 104,604.67

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Solution

The fourth proportional to 341,319.07, 511,810.12 and 104,604.67 is: 156,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,319.07 : 511,810.12 = 104,604.67 : x
  2. Step 2: Convert to fraction form
    341,319.07/511,810.12 = 104,604.67/x
  3. Step 3: Cross multiply
    341,319.07x = 511,810.12 × 104,604.67
  4. Step 4: Simplify right side
    341,319.07x = 53,537,728,705.26
  5. Step 5: Solve for x
    x = 53,537,728,705.26/341,319.07
  6. Step 6: Final answer
    x = 156,855.37

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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.