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Finding the Fourth Proportional to 544,228.80, 816,051.60 and 228,328.80

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Solution

The fourth proportional to 544,228.80, 816,051.60 and 228,328.80 is: 342,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,228.80 : 816,051.60 = 228,328.80 : x
  2. Step 2: Convert to fraction form
    544,228.80/816,051.60 = 228,328.80/x
  3. Step 3: Cross multiply
    544,228.80x = 816,051.60 × 228,328.80
  4. Step 4: Simplify right side
    544,228.80x = 186,328,082,566.08
  5. Step 5: Solve for x
    x = 186,328,082,566.08/544,228.80
  6. Step 6: Final answer
    x = 342,370.86

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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.