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Finding the Fourth Proportional to 448,133.30, 672,005.55 and 181,805.30

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Solution

The fourth proportional to 448,133.30, 672,005.55 and 181,805.30 is: 272,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,133.30 : 672,005.55 = 181,805.30 : x
  2. Step 2: Convert to fraction form
    448,133.30/672,005.55 = 181,805.30/x
  3. Step 3: Cross multiply
    448,133.30x = 672,005.55 × 181,805.30
  4. Step 4: Simplify right side
    448,133.30x = 122,174,170,619.42
  5. Step 5: Solve for x
    x = 122,174,170,619.42/448,133.30
  6. Step 6: Final answer
    x = 272,629.08

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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.