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Finding the Fourth Proportional to 362,293.60, 543,440.40 and 228,740.80

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Solution

The fourth proportional to 362,293.60, 543,440.40 and 228,740.80 is: 343,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,293.60 : 543,440.40 = 228,740.80 : x
  2. Step 2: Convert to fraction form
    362,293.60/543,440.40 = 228,740.80/x
  3. Step 3: Cross multiply
    362,293.60x = 543,440.40 × 228,740.80
  4. Step 4: Simplify right side
    362,293.60x = 124,306,991,848.32
  5. Step 5: Solve for x
    x = 124,306,991,848.32/362,293.60
  6. Step 6: Final answer
    x = 343,111.20

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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.