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Finding the Fourth Proportional to 448,539.60, 673,068.60 and 168,085.20

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Solution

The fourth proportional to 448,539.60, 673,068.60 and 168,085.20 is: 252,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,539.60 : 673,068.60 = 168,085.20 : x
  2. Step 2: Convert to fraction form
    448,539.60/673,068.60 = 168,085.20/x
  3. Step 3: Cross multiply
    448,539.60x = 673,068.60 × 168,085.20
  4. Step 4: Simplify right side
    448,539.60x = 113,132,870,244.72
  5. Step 5: Solve for x
    x = 113,132,870,244.72/448,539.60
  6. Step 6: Final answer
    x = 252,224.93

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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.