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Finding the Fourth Proportional to 548,907.40, 825,329.40 and 462,302.20

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Solution

The fourth proportional to 548,907.40, 825,329.40 and 462,302.20 is: 695,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,907.40 : 825,329.40 = 462,302.20 : x
  2. Step 2: Convert to fraction form
    548,907.40/825,329.40 = 462,302.20/x
  3. Step 3: Cross multiply
    548,907.40x = 825,329.40 × 462,302.20
  4. Step 4: Simplify right side
    548,907.40x = 381,551,597,344.68
  5. Step 5: Solve for x
    x = 381,551,597,344.68/548,907.40
  6. Step 6: Final answer
    x = 695,111.05

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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.