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Finding the Fourth Proportional to 479,763.05, 662,111.96 and 275,880.24

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Solution

The fourth proportional to 479,763.05, 662,111.96 and 275,880.24 is: 380,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,763.05 : 662,111.96 = 275,880.24 : x
  2. Step 2: Convert to fraction form
    479,763.05/662,111.96 = 275,880.24/x
  3. Step 3: Cross multiply
    479,763.05x = 662,111.96 × 275,880.24
  4. Step 4: Simplify right side
    479,763.05x = 182,663,605,052.27
  5. Step 5: Solve for x
    x = 182,663,605,052.27/479,763.05
  6. Step 6: Final answer
    x = 380,737.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.