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Finding the Fourth Proportional to 368,901.90, 553,850.37 and 236,041.50

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Solution

The fourth proportional to 368,901.90, 553,850.37 and 236,041.50 is: 354,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,901.90 : 553,850.37 = 236,041.50 : x
  2. Step 2: Convert to fraction form
    368,901.90/553,850.37 = 236,041.50/x
  3. Step 3: Cross multiply
    368,901.90x = 553,850.37 × 236,041.50
  4. Step 4: Simplify right side
    368,901.90x = 130,731,672,110.36
  5. Step 5: Solve for x
    x = 130,731,672,110.36/368,901.90
  6. Step 6: Final answer
    x = 354,380.59

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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.