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Finding the Fourth Proportional to 345,937.60, 519,003.60 and 168,450.40

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Solution

The fourth proportional to 345,937.60, 519,003.60 and 168,450.40 is: 252,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,937.60 : 519,003.60 = 168,450.40 : x
  2. Step 2: Convert to fraction form
    345,937.60/519,003.60 = 168,450.40/x
  3. Step 3: Cross multiply
    345,937.60x = 519,003.60 × 168,450.40
  4. Step 4: Simplify right side
    345,937.60x = 87,426,364,021.44
  5. Step 5: Solve for x
    x = 87,426,364,021.44/345,937.60
  6. Step 6: Final answer
    x = 252,722.93

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1.5x scale

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.