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Finding the Fourth Proportional to 446,868.88, 670,347.60 and 147,352.48

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Solution

The fourth proportional to 446,868.88, 670,347.60 and 147,352.48 is: 221,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,868.88 : 670,347.60 = 147,352.48 : x
  2. Step 2: Convert to fraction form
    446,868.88/670,347.60 = 147,352.48/x
  3. Step 3: Cross multiply
    446,868.88x = 670,347.60 × 147,352.48
  4. Step 4: Simplify right side
    446,868.88x = 98,777,381,322.05
  5. Step 5: Solve for x
    x = 98,777,381,322.05/446,868.88
  6. Step 6: Final answer
    x = 221,043.32

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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.