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Finding the Fourth Proportional to 455,554.88, 683,102.92 and 151,841.48

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Solution

The fourth proportional to 455,554.88, 683,102.92 and 151,841.48 is: 227,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,554.88 : 683,102.92 = 151,841.48 : x
  2. Step 2: Convert to fraction form
    455,554.88/683,102.92 = 151,841.48/x
  3. Step 3: Cross multiply
    455,554.88x = 683,102.92 × 151,841.48
  4. Step 4: Simplify right side
    455,554.88x = 103,723,358,365.12
  5. Step 5: Solve for x
    x = 103,723,358,365.12/455,554.88
  6. Step 6: Final answer
    x = 227,685.76

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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.