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Finding the Fourth Proportional to 382,068.60, 572,446.80 and 248,880.30

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Solution

The fourth proportional to 382,068.60, 572,446.80 and 248,880.30 is: 372,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,068.60 : 572,446.80 = 248,880.30 : x
  2. Step 2: Convert to fraction form
    382,068.60/572,446.80 = 248,880.30/x
  3. Step 3: Cross multiply
    382,068.60x = 572,446.80 × 248,880.30
  4. Step 4: Simplify right side
    382,068.60x = 142,470,731,318.04
  5. Step 5: Solve for x
    x = 142,470,731,318.04/382,068.60
  6. Step 6: Final answer
    x = 372,893.07

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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.