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Finding the Fourth Proportional to 576,477.36, 864,703.98 and 192,253.86

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Solution

The fourth proportional to 576,477.36, 864,703.98 and 192,253.86 is: 288,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,477.36 : 864,703.98 = 192,253.86 : x
  2. Step 2: Convert to fraction form
    576,477.36/864,703.98 = 192,253.86/x
  3. Step 3: Cross multiply
    576,477.36x = 864,703.98 × 192,253.86
  4. Step 4: Simplify right side
    576,477.36x = 166,242,677,912.36
  5. Step 5: Solve for x
    x = 166,242,677,912.36/576,477.36
  6. Step 6: Final answer
    x = 288,376.77

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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.