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Finding the Fourth Proportional to 633,267.63, 949,999.92 and 212,641.92

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Solution

The fourth proportional to 633,267.63, 949,999.92 and 212,641.92 is: 318,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,267.63 : 949,999.92 = 212,641.92 : x
  2. Step 2: Convert to fraction form
    633,267.63/949,999.92 = 212,641.92/x
  3. Step 3: Cross multiply
    633,267.63x = 949,999.92 × 212,641.92
  4. Step 4: Simplify right side
    633,267.63x = 202,009,806,988.65
  5. Step 5: Solve for x
    x = 202,009,806,988.65/633,267.63
  6. Step 6: Final answer
    x = 318,995.95

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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.