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Finding the Fourth Proportional to 446,646.58, 669,825.88 and 147,055.82

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Solution

The fourth proportional to 446,646.58, 669,825.88 and 147,055.82 is: 220,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,646.58 : 669,825.88 = 147,055.82 : x
  2. Step 2: Convert to fraction form
    446,646.58/669,825.88 = 147,055.82/x
  3. Step 3: Cross multiply
    446,646.58x = 669,825.88 × 147,055.82
  4. Step 4: Simplify right side
    446,646.58x = 98,501,794,040.62
  5. Step 5: Solve for x
    x = 98,501,794,040.62/446,646.58
  6. Step 6: Final answer
    x = 220,536.32

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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.