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Finding the Fourth Proportional to 344,852.55, 517,279.10 and 164,895.62

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Solution

The fourth proportional to 344,852.55, 517,279.10 and 164,895.62 is: 247,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,852.55 : 517,279.10 = 164,895.62 : x
  2. Step 2: Convert to fraction form
    344,852.55/517,279.10 = 164,895.62/x
  3. Step 3: Cross multiply
    344,852.55x = 517,279.10 × 164,895.62
  4. Step 4: Simplify right side
    344,852.55x = 85,297,054,496.67
  5. Step 5: Solve for x
    x = 85,297,054,496.67/344,852.55
  6. Step 6: Final answer
    x = 247,343.55

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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.