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Finding the Fourth Proportional to 228,374.76, 315,458.40 and 175,315.44

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Solution

The fourth proportional to 228,374.76, 315,458.40 and 175,315.44 is: 242,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,374.76 : 315,458.40 = 175,315.44 : x
  2. Step 2: Convert to fraction form
    228,374.76/315,458.40 = 175,315.44/x
  3. Step 3: Cross multiply
    228,374.76x = 315,458.40 × 175,315.44
  4. Step 4: Simplify right side
    228,374.76x = 55,304,728,197.70
  5. Step 5: Solve for x
    x = 55,304,728,197.70/228,374.76
  6. Step 6: Final answer
    x = 242,166.55

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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.