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Finding the Fourth Proportional to 576,051.12, 864,239.52 and 197,053.92

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Solution

The fourth proportional to 576,051.12, 864,239.52 and 197,053.92 is: 295,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,051.12 : 864,239.52 = 197,053.92 : x
  2. Step 2: Convert to fraction form
    576,051.12/864,239.52 = 197,053.92/x
  3. Step 3: Cross multiply
    576,051.12x = 864,239.52 × 197,053.92
  4. Step 4: Simplify right side
    576,051.12x = 170,301,785,234.92
  5. Step 5: Solve for x
    x = 170,301,785,234.92/576,051.12
  6. Step 6: Final answer
    x = 295,636.58

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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.