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Finding the Fourth Proportional to 374,802.82, 561,812.55 and 164,263.30

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Solution

The fourth proportional to 374,802.82, 561,812.55 and 164,263.30 is: 246,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,802.82 : 561,812.55 = 164,263.30 : x
  2. Step 2: Convert to fraction form
    374,802.82/561,812.55 = 164,263.30/x
  3. Step 3: Cross multiply
    374,802.82x = 561,812.55 × 164,263.30
  4. Step 4: Simplify right side
    374,802.82x = 92,285,183,444.42
  5. Step 5: Solve for x
    x = 92,285,183,444.42/374,802.82
  6. Step 6: Final answer
    x = 246,223.29

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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.