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Finding the Fourth Proportional to 469,928.15, 648,794.46 and 323,005.95

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Solution

The fourth proportional to 469,928.15, 648,794.46 and 323,005.95 is: 445,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,928.15 : 648,794.46 = 323,005.95 : x
  2. Step 2: Convert to fraction form
    469,928.15/648,794.46 = 323,005.95/x
  3. Step 3: Cross multiply
    469,928.15x = 648,794.46 × 323,005.95
  4. Step 4: Simplify right side
    469,928.15x = 209,564,470,907.04
  5. Step 5: Solve for x
    x = 209,564,470,907.04/469,928.15
  6. Step 6: Final answer
    x = 445,950.03

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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.