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Finding the Fourth Proportional to 366,952.40, 550,428.60 and 340,380.35

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Solution

The fourth proportional to 366,952.40, 550,428.60 and 340,380.35 is: 510,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,952.40 : 550,428.60 = 340,380.35 : x
  2. Step 2: Convert to fraction form
    366,952.40/550,428.60 = 340,380.35/x
  3. Step 3: Cross multiply
    366,952.40x = 550,428.60 × 340,380.35
  4. Step 4: Simplify right side
    366,952.40x = 187,355,079,518.01
  5. Step 5: Solve for x
    x = 187,355,079,518.01/366,952.40
  6. Step 6: Final answer
    x = 510,570.53

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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.