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Finding the Fourth Proportional to 482,595.40, 666,039.14 and 278,696.04

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Solution

The fourth proportional to 482,595.40, 666,039.14 and 278,696.04 is: 384,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,595.40 : 666,039.14 = 278,696.04 : x
  2. Step 2: Convert to fraction form
    482,595.40/666,039.14 = 278,696.04/x
  3. Step 3: Cross multiply
    482,595.40x = 666,039.14 × 278,696.04
  4. Step 4: Simplify right side
    482,595.40x = 185,622,470,803.01
  5. Step 5: Solve for x
    x = 185,622,470,803.01/482,595.40
  6. Step 6: Final answer
    x = 384,633.73

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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.