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Finding the Fourth Proportional to 455,234.16, 683,736.48 and 371,056.08

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Solution

The fourth proportional to 455,234.16, 683,736.48 and 371,056.08 is: 557,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,234.16 : 683,736.48 = 371,056.08 : x
  2. Step 2: Convert to fraction form
    455,234.16/683,736.48 = 371,056.08/x
  3. Step 3: Cross multiply
    455,234.16x = 683,736.48 × 371,056.08
  4. Step 4: Simplify right side
    455,234.16x = 253,704,578,021.80
  5. Step 5: Solve for x
    x = 253,704,578,021.80/455,234.16
  6. Step 6: Final answer
    x = 557,305.67

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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.