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Finding the Fourth Proportional to 422,928.50, 583,672.26 and 241,636.54

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Solution

The fourth proportional to 422,928.50, 583,672.26 and 241,636.54 is: 333,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,928.50 : 583,672.26 = 241,636.54 : x
  2. Step 2: Convert to fraction form
    422,928.50/583,672.26 = 241,636.54/x
  3. Step 3: Cross multiply
    422,928.50x = 583,672.26 × 241,636.54
  4. Step 4: Simplify right side
    422,928.50x = 141,036,545,400.38
  5. Step 5: Solve for x
    x = 141,036,545,400.38/422,928.50
  6. Step 6: Final answer
    x = 333,476.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.