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Finding the Fourth Proportional to 332,437.70, 498,656.55 and 155,290.70

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Solution

The fourth proportional to 332,437.70, 498,656.55 and 155,290.70 is: 232,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,437.70 : 498,656.55 = 155,290.70 : x
  2. Step 2: Convert to fraction form
    332,437.70/498,656.55 = 155,290.70/x
  3. Step 3: Cross multiply
    332,437.70x = 498,656.55 × 155,290.70
  4. Step 4: Simplify right side
    332,437.70x = 77,436,724,709.09
  5. Step 5: Solve for x
    x = 77,436,724,709.09/332,437.70
  6. Step 6: Final answer
    x = 232,936.05

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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.