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Finding the Fourth Proportional to 449,055.61, 673,926.06 and 165,015.34

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Solution

The fourth proportional to 449,055.61, 673,926.06 and 165,015.34 is: 247,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,055.61 : 673,926.06 = 165,015.34 : x
  2. Step 2: Convert to fraction form
    449,055.61/673,926.06 = 165,015.34/x
  3. Step 3: Cross multiply
    449,055.61x = 673,926.06 × 165,015.34
  4. Step 4: Simplify right side
    449,055.61x = 111,208,137,925.76
  5. Step 5: Solve for x
    x = 111,208,137,925.76/449,055.61
  6. Step 6: Final answer
    x = 247,648.92

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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.