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Finding the Fourth Proportional to 540,668.68, 746,092.64 and 298,936.72

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Solution

The fourth proportional to 540,668.68, 746,092.64 and 298,936.72 is: 412,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,668.68 : 746,092.64 = 298,936.72 : x
  2. Step 2: Convert to fraction form
    540,668.68/746,092.64 = 298,936.72/x
  3. Step 3: Cross multiply
    540,668.68x = 746,092.64 × 298,936.72
  4. Step 4: Simplify right side
    540,668.68x = 223,034,486,617.74
  5. Step 5: Solve for x
    x = 223,034,486,617.74/540,668.68
  6. Step 6: Final answer
    x = 412,516.01

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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.