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Finding the Fourth Proportional to 524,003.80, 786,783.30 and 366,928.60

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Solution

The fourth proportional to 524,003.80, 786,783.30 and 366,928.60 is: 550,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,003.80 : 786,783.30 = 366,928.60 : x
  2. Step 2: Convert to fraction form
    524,003.80/786,783.30 = 366,928.60/x
  3. Step 3: Cross multiply
    524,003.80x = 786,783.30 × 366,928.60
  4. Step 4: Simplify right side
    524,003.80x = 288,693,294,772.38
  5. Step 5: Solve for x
    x = 288,693,294,772.38/524,003.80
  6. Step 6: Final answer
    x = 550,937.41

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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.