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Finding the Fourth Proportional to 296,854.34, 445,011.63 and 154,532.41

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Solution

The fourth proportional to 296,854.34, 445,011.63 and 154,532.41 is: 231,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,854.34 : 445,011.63 = 154,532.41 : x
  2. Step 2: Convert to fraction form
    296,854.34/445,011.63 = 154,532.41/x
  3. Step 3: Cross multiply
    296,854.34x = 445,011.63 × 154,532.41
  4. Step 4: Simplify right side
    296,854.34x = 68,768,719,661.93
  5. Step 5: Solve for x
    x = 68,768,719,661.93/296,854.34
  6. Step 6: Final answer
    x = 231,658.12

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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.