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Finding the Fourth Proportional to 446,303.52, 669,367.80 and 130,675.68

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Solution

The fourth proportional to 446,303.52, 669,367.80 and 130,675.68 is: 195,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,303.52 : 669,367.80 = 130,675.68 : x
  2. Step 2: Convert to fraction form
    446,303.52/669,367.80 = 130,675.68/x
  3. Step 3: Cross multiply
    446,303.52x = 669,367.80 × 130,675.68
  4. Step 4: Simplify right side
    446,303.52x = 87,470,092,435.10
  5. Step 5: Solve for x
    x = 87,470,092,435.10/446,303.52
  6. Step 6: Final answer
    x = 195,987.91

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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.