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Finding the Fourth Proportional to 539,118.84, 808,503.12 and 179,193

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Solution

The fourth proportional to 539,118.84, 808,503.12 and 179,193 is: 268,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,118.84 : 808,503.12 = 179,193 : x
  2. Step 2: Convert to fraction form
    539,118.84/808,503.12 = 179,193/x
  3. Step 3: Cross multiply
    539,118.84x = 808,503.12 × 179,193
  4. Step 4: Simplify right side
    539,118.84x = 144,878,099,582.16
  5. Step 5: Solve for x
    x = 144,878,099,582.16/539,118.84
  6. Step 6: Final answer
    x = 268,731.29

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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.