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Finding the Fourth Proportional to 470,056.80, 704,814.75 and 250,696.05

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Solution

The fourth proportional to 470,056.80, 704,814.75 and 250,696.05 is: 375,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,056.80 : 704,814.75 = 250,696.05 : x
  2. Step 2: Convert to fraction form
    470,056.80/704,814.75 = 250,696.05/x
  3. Step 3: Cross multiply
    470,056.80x = 704,814.75 × 250,696.05
  4. Step 4: Simplify right side
    470,056.80x = 176,694,271,163.68
  5. Step 5: Solve for x
    x = 176,694,271,163.68/470,056.80
  6. Step 6: Final answer
    x = 375,899.83

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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.