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Finding the Fourth Proportional to 636,004.44, 877,676.04 and 349,518.38

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Solution

The fourth proportional to 636,004.44, 877,676.04 and 349,518.38 is: 482,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,004.44 : 877,676.04 = 349,518.38 : x
  2. Step 2: Convert to fraction form
    636,004.44/877,676.04 = 349,518.38/x
  3. Step 3: Cross multiply
    636,004.44x = 877,676.04 × 349,518.38
  4. Step 4: Simplify right side
    636,004.44x = 306,763,903,277.24
  5. Step 5: Solve for x
    x = 306,763,903,277.24/636,004.44
  6. Step 6: Final answer
    x = 482,329.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.