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Finding the Fourth Proportional to 328,348.27, 492,550.35 and 103,648.60

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Solution

The fourth proportional to 328,348.27, 492,550.35 and 103,648.60 is: 155,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,348.27 : 492,550.35 = 103,648.60 : x
  2. Step 2: Convert to fraction form
    328,348.27/492,550.35 = 103,648.60/x
  3. Step 3: Cross multiply
    328,348.27x = 492,550.35 × 103,648.60
  4. Step 4: Simplify right side
    328,348.27x = 51,052,154,207.01
  5. Step 5: Solve for x
    x = 51,052,154,207.01/328,348.27
  6. Step 6: Final answer
    x = 155,481.72

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1.5x scale

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.