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Finding the Fourth Proportional to 680,041, 1,020,055.42 and 253,562.32

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Solution

The fourth proportional to 680,041, 1,020,055.42 and 253,562.32 is: 380,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,041 : 1,020,055.42 = 253,562.32 : x
  2. Step 2: Convert to fraction form
    680,041/1,020,055.42 = 253,562.32/x
  3. Step 3: Cross multiply
    680,041x = 1,020,055.42 × 253,562.32
  4. Step 4: Simplify right side
    680,041x = 258,647,618,823.77
  5. Step 5: Solve for x
    x = 258,647,618,823.77/680,041
  6. Step 6: Final answer
    x = 380,341.21

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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.