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Finding the Fourth Proportional to 455,884.52, 683,215.51 and 354,804.62

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Solution

The fourth proportional to 455,884.52, 683,215.51 and 354,804.62 is: 531,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,884.52 : 683,215.51 = 354,804.62 : x
  2. Step 2: Convert to fraction form
    455,884.52/683,215.51 = 354,804.62/x
  3. Step 3: Cross multiply
    455,884.52x = 683,215.51 × 354,804.62
  4. Step 4: Simplify right side
    455,884.52x = 242,408,019,403.66
  5. Step 5: Solve for x
    x = 242,408,019,403.66/455,884.52
  6. Step 6: Final answer
    x = 531,731.19

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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.