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Finding the Fourth Proportional to 554,675.32, 832,120.86 and 213,093.86

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Solution

The fourth proportional to 554,675.32, 832,120.86 and 213,093.86 is: 319,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,675.32 : 832,120.86 = 213,093.86 : x
  2. Step 2: Convert to fraction form
    554,675.32/832,120.86 = 213,093.86/x
  3. Step 3: Cross multiply
    554,675.32x = 832,120.86 × 213,093.86
  4. Step 4: Simplify right side
    554,675.32x = 177,319,846,043.92
  5. Step 5: Solve for x
    x = 177,319,846,043.92/554,675.32
  6. Step 6: Final answer
    x = 319,682.24

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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.