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Finding the Fourth Proportional to 636,193.07, 954,600.90 and 299,267.72

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Solution

The fourth proportional to 636,193.07, 954,600.90 and 299,267.72 is: 449,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,193.07 : 954,600.90 = 299,267.72 : x
  2. Step 2: Convert to fraction form
    636,193.07/954,600.90 = 299,267.72/x
  3. Step 3: Cross multiply
    636,193.07x = 954,600.90 × 299,267.72
  4. Step 4: Simplify right side
    636,193.07x = 285,681,230,079.94
  5. Step 5: Solve for x
    x = 285,681,230,079.94/636,193.07
  6. Step 6: Final answer
    x = 449,048.01

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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.