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Finding the Fourth Proportional to 361,530.33, 498,652.77 and 238,880.63

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Solution

The fourth proportional to 361,530.33, 498,652.77 and 238,880.63 is: 329,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,530.33 : 498,652.77 = 238,880.63 : x
  2. Step 2: Convert to fraction form
    361,530.33/498,652.77 = 238,880.63/x
  3. Step 3: Cross multiply
    361,530.33x = 498,652.77 × 238,880.63
  4. Step 4: Simplify right side
    361,530.33x = 119,118,489,095.48
  5. Step 5: Solve for x
    x = 119,118,489,095.48/361,530.33
  6. Step 6: Final answer
    x = 329,484.08

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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.