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Finding the Fourth Proportional to 298,015.98, 411,264.19 and 162,048.95

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Solution

The fourth proportional to 298,015.98, 411,264.19 and 162,048.95 is: 223,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,015.98 : 411,264.19 = 162,048.95 : x
  2. Step 2: Convert to fraction form
    298,015.98/411,264.19 = 162,048.95/x
  3. Step 3: Cross multiply
    298,015.98x = 411,264.19 × 162,048.95
  4. Step 4: Simplify right side
    298,015.98x = 66,644,931,392.82
  5. Step 5: Solve for x
    x = 66,644,931,392.82/298,015.98
  6. Step 6: Final answer
    x = 223,628.72

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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.