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Finding the Fourth Proportional to 448,132.80, 672,004.80 and 181,804.80

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Solution

The fourth proportional to 448,132.80, 672,004.80 and 181,804.80 is: 272,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,132.80 : 672,004.80 = 181,804.80 : x
  2. Step 2: Convert to fraction form
    448,132.80/672,004.80 = 181,804.80/x
  3. Step 3: Cross multiply
    448,132.80x = 672,004.80 × 181,804.80
  4. Step 4: Simplify right side
    448,132.80x = 122,173,698,263.04
  5. Step 5: Solve for x
    x = 122,173,698,263.04/448,132.80
  6. Step 6: Final answer
    x = 272,628.33

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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.