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Finding the Fourth Proportional to 245,313.28, 368,436.80 and 152,467.84

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Solution

The fourth proportional to 245,313.28, 368,436.80 and 152,467.84 is: 228,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,313.28 : 368,436.80 = 152,467.84 : x
  2. Step 2: Convert to fraction form
    245,313.28/368,436.80 = 152,467.84/x
  3. Step 3: Cross multiply
    245,313.28x = 368,436.80 × 152,467.84
  4. Step 4: Simplify right side
    245,313.28x = 56,174,763,072.51
  5. Step 5: Solve for x
    x = 56,174,763,072.51/245,313.28
  6. Step 6: Final answer
    x = 228,991.94

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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.