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Finding the Fourth Proportional to 228,432.40, 342,648.60 and 62,220.40

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Solution

The fourth proportional to 228,432.40, 342,648.60 and 62,220.40 is: 93,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,432.40 : 342,648.60 = 62,220.40 : x
  2. Step 2: Convert to fraction form
    228,432.40/342,648.60 = 62,220.40/x
  3. Step 3: Cross multiply
    228,432.40x = 342,648.60 × 62,220.40
  4. Step 4: Simplify right side
    228,432.40x = 21,319,732,951.44
  5. Step 5: Solve for x
    x = 21,319,732,951.44/228,432.40
  6. Step 6: Final answer
    x = 93,330.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.