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Finding the Fourth Proportional to 576,303.32, 864,442.91 and 192,080.00

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Solution

The fourth proportional to 576,303.32, 864,442.91 and 192,080.00 is: 288,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,303.32 : 864,442.91 = 192,080.00 : x
  2. Step 2: Convert to fraction form
    576,303.32/864,442.91 = 192,080.00/x
  3. Step 3: Cross multiply
    576,303.32x = 864,442.91 × 192,080.00
  4. Step 4: Simplify right side
    576,303.32x = 166,042,190,310.79
  5. Step 5: Solve for x
    x = 166,042,190,310.79/576,303.32
  6. Step 6: Final answer
    x = 288,115.97

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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.