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Finding the Fourth Proportional to 228,458.41, 315,438.93 and 183,384.34

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Solution

The fourth proportional to 228,458.41, 315,438.93 and 183,384.34 is: 253,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,458.41 : 315,438.93 = 183,384.34 : x
  2. Step 2: Convert to fraction form
    228,458.41/315,438.93 = 183,384.34/x
  3. Step 3: Cross multiply
    228,458.41x = 315,438.93 × 183,384.34
  4. Step 4: Simplify right side
    228,458.41x = 57,846,559,988.36
  5. Step 5: Solve for x
    x = 57,846,559,988.36/228,458.41
  6. Step 6: Final answer
    x = 253,203.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.