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Finding the Fourth Proportional to 447,612.39, 671,425.65 and 249,193.98

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Solution

The fourth proportional to 447,612.39, 671,425.65 and 249,193.98 is: 373,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,612.39 : 671,425.65 = 249,193.98 : x
  2. Step 2: Convert to fraction form
    447,612.39/671,425.65 = 249,193.98/x
  3. Step 3: Cross multiply
    447,612.39x = 671,425.65 × 249,193.98
  4. Step 4: Simplify right side
    447,612.39x = 167,315,229,997.59
  5. Step 5: Solve for x
    x = 167,315,229,997.59/447,612.39
  6. Step 6: Final answer
    x = 373,794.90

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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.