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Finding the Fourth Proportional to 367,895, 551,380.82 and 157,285.40

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Solution

The fourth proportional to 367,895, 551,380.82 and 157,285.40 is: 235,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,895 : 551,380.82 = 157,285.40 : x
  2. Step 2: Convert to fraction form
    367,895/551,380.82 = 157,285.40/x
  3. Step 3: Cross multiply
    367,895x = 551,380.82 × 157,285.40
  4. Step 4: Simplify right side
    367,895x = 86,724,152,826.03
  5. Step 5: Solve for x
    x = 86,724,152,826.03/367,895
  6. Step 6: Final answer
    x = 235,730.72

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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.