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Finding the Fourth Proportional to 554,633.37, 832,057.89 and 213,051.83

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Solution

The fourth proportional to 554,633.37, 832,057.89 and 213,051.83 is: 319,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,633.37 : 832,057.89 = 213,051.83 : x
  2. Step 2: Convert to fraction form
    554,633.37/832,057.89 = 213,051.83/x
  3. Step 3: Cross multiply
    554,633.37x = 832,057.89 × 213,051.83
  4. Step 4: Simplify right side
    554,633.37x = 177,271,451,970.15
  5. Step 5: Solve for x
    x = 177,271,451,970.15/554,633.37
  6. Step 6: Final answer
    x = 319,619.16

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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.