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Finding the Fourth Proportional to 360,907.90, 541,410.45 and 124,323.10

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Solution

The fourth proportional to 360,907.90, 541,410.45 and 124,323.10 is: 186,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,907.90 : 541,410.45 = 124,323.10 : x
  2. Step 2: Convert to fraction form
    360,907.90/541,410.45 = 124,323.10/x
  3. Step 3: Cross multiply
    360,907.90x = 541,410.45 × 124,323.10
  4. Step 4: Simplify right side
    360,907.90x = 67,309,825,516.40
  5. Step 5: Solve for x
    x = 67,309,825,516.40/360,907.90
  6. Step 6: Final answer
    x = 186,501.39

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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.