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Finding the Fourth Proportional to 492,087.80, 736,382.10 and 341,622.20

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Solution

The fourth proportional to 492,087.80, 736,382.10 and 341,622.20 is: 511,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,087.80 : 736,382.10 = 341,622.20 : x
  2. Step 2: Convert to fraction form
    492,087.80/736,382.10 = 341,622.20/x
  3. Step 3: Cross multiply
    492,087.80x = 736,382.10 × 341,622.20
  4. Step 4: Simplify right side
    492,087.80x = 251,564,473,042.62
  5. Step 5: Solve for x
    x = 251,564,473,042.62/492,087.80
  6. Step 6: Final answer
    x = 511,218.67

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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.