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Finding the Fourth Proportional to 374,954.72, 562,516.46 and 118,802.70

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Solution

The fourth proportional to 374,954.72, 562,516.46 and 118,802.70 is: 178,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,954.72 : 562,516.46 = 118,802.70 : x
  2. Step 2: Convert to fraction form
    374,954.72/562,516.46 = 118,802.70/x
  3. Step 3: Cross multiply
    374,954.72x = 562,516.46 × 118,802.70
  4. Step 4: Simplify right side
    374,954.72x = 66,828,474,762.20
  5. Step 5: Solve for x
    x = 66,828,474,762.20/374,954.72
  6. Step 6: Final answer
    x = 178,230.79

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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.