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Finding the Fourth Proportional to 443,046.84, 664,648.14 and 190,482.36

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Solution

The fourth proportional to 443,046.84, 664,648.14 and 190,482.36 is: 285,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,046.84 : 664,648.14 = 190,482.36 : x
  2. Step 2: Convert to fraction form
    443,046.84/664,648.14 = 190,482.36/x
  3. Step 3: Cross multiply
    443,046.84x = 664,648.14 × 190,482.36
  4. Step 4: Simplify right side
    443,046.84x = 126,603,746,276.81
  5. Step 5: Solve for x
    x = 126,603,746,276.81/443,046.84
  6. Step 6: Final answer
    x = 285,757.02

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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.