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Finding the Fourth Proportional to 374,919.84, 562,379.76 and 164,559.60

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Solution

The fourth proportional to 374,919.84, 562,379.76 and 164,559.60 is: 246,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,919.84 : 562,379.76 = 164,559.60 : x
  2. Step 2: Convert to fraction form
    374,919.84/562,379.76 = 164,559.60/x
  3. Step 3: Cross multiply
    374,919.84x = 562,379.76 × 164,559.60
  4. Step 4: Simplify right side
    374,919.84x = 92,544,988,353.70
  5. Step 5: Solve for x
    x = 92,544,988,353.70/374,919.84
  6. Step 6: Final answer
    x = 246,839.40

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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.