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Finding the Fourth Proportional to 576,525.96, 864,210.06 and 197,187.39

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Solution

The fourth proportional to 576,525.96, 864,210.06 and 197,187.39 is: 295,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,525.96 : 864,210.06 = 197,187.39 : x
  2. Step 2: Convert to fraction form
    576,525.96/864,210.06 = 197,187.39/x
  3. Step 3: Cross multiply
    576,525.96x = 864,210.06 × 197,187.39
  4. Step 4: Simplify right side
    576,525.96x = 170,411,326,143.14
  5. Step 5: Solve for x
    x = 170,411,326,143.14/576,525.96
  6. Step 6: Final answer
    x = 295,583.09

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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.