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Finding the Fourth Proportional to 238,552.80, 357,829.20 and 228,314.40

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Solution

The fourth proportional to 238,552.80, 357,829.20 and 228,314.40 is: 342,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,552.80 : 357,829.20 = 228,314.40 : x
  2. Step 2: Convert to fraction form
    238,552.80/357,829.20 = 228,314.40/x
  3. Step 3: Cross multiply
    238,552.80x = 357,829.20 × 228,314.40
  4. Step 4: Simplify right side
    238,552.80x = 81,697,559,100.48
  5. Step 5: Solve for x
    x = 81,697,559,100.48/238,552.80
  6. Step 6: Final answer
    x = 342,471.60

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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.