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Finding the Fourth Proportional to 312,352.02, 468,768.69 and 162,630

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Solution

The fourth proportional to 312,352.02, 468,768.69 and 162,630 is: 244,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,352.02 : 468,768.69 = 162,630 : x
  2. Step 2: Convert to fraction form
    312,352.02/468,768.69 = 162,630/x
  3. Step 3: Cross multiply
    312,352.02x = 468,768.69 × 162,630
  4. Step 4: Simplify right side
    312,352.02x = 76,235,852,054.70
  5. Step 5: Solve for x
    x = 76,235,852,054.70/312,352.02
  6. Step 6: Final answer
    x = 244,070.30

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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.