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Finding the Fourth Proportional to 328,185.58, 493,305.96 and 216,582.97

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Solution

The fourth proportional to 328,185.58, 493,305.96 and 216,582.97 is: 325,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,185.58 : 493,305.96 = 216,582.97 : x
  2. Step 2: Convert to fraction form
    328,185.58/493,305.96 = 216,582.97/x
  3. Step 3: Cross multiply
    328,185.58x = 493,305.96 × 216,582.97
  4. Step 4: Simplify right side
    328,185.58x = 106,841,667,626.38
  5. Step 5: Solve for x
    x = 106,841,667,626.38/328,185.58
  6. Step 6: Final answer
    x = 325,552.60

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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.