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Finding the Fourth Proportional to 430,766.48, 594,447.63 and 239,775.77

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Solution

The fourth proportional to 430,766.48, 594,447.63 and 239,775.77 is: 330,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,766.48 : 594,447.63 = 239,775.77 : x
  2. Step 2: Convert to fraction form
    430,766.48/594,447.63 = 239,775.77/x
  3. Step 3: Cross multiply
    430,766.48x = 594,447.63 × 239,775.77
  4. Step 4: Simplify right side
    430,766.48x = 142,534,135,235.69
  5. Step 5: Solve for x
    x = 142,534,135,235.69/430,766.48
  6. Step 6: Final answer
    x = 330,884.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.