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Finding the Fourth Proportional to 449,300.47, 673,725.35 and 149,675.71

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Solution

The fourth proportional to 449,300.47, 673,725.35 and 149,675.71 is: 224,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,300.47 : 673,725.35 = 149,675.71 : x
  2. Step 2: Convert to fraction form
    449,300.47/673,725.35 = 149,675.71/x
  3. Step 3: Cross multiply
    449,300.47x = 673,725.35 × 149,675.71
  4. Step 4: Simplify right side
    449,300.47x = 100,840,319,357.87
  5. Step 5: Solve for x
    x = 100,840,319,357.87/449,300.47
  6. Step 6: Final answer
    x = 224,438.49

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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.