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Finding the Fourth Proportional to 453,874.60, 681,030.60 and 320,467.60

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Solution

The fourth proportional to 453,874.60, 681,030.60 and 320,467.60 is: 480,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,874.60 : 681,030.60 = 320,467.60 : x
  2. Step 2: Convert to fraction form
    453,874.60/681,030.60 = 320,467.60/x
  3. Step 3: Cross multiply
    453,874.60x = 681,030.60 × 320,467.60
  4. Step 4: Simplify right side
    453,874.60x = 218,248,241,908.56
  5. Step 5: Solve for x
    x = 218,248,241,908.56/453,874.60
  6. Step 6: Final answer
    x = 480,855.82

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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.