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Finding the Fourth Proportional to 673,874.82, 1,009,917.99 and 357,650.82

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Solution

The fourth proportional to 673,874.82, 1,009,917.99 and 357,650.82 is: 536,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,874.82 : 1,009,917.99 = 357,650.82 : x
  2. Step 2: Convert to fraction form
    673,874.82/1,009,917.99 = 357,650.82/x
  3. Step 3: Cross multiply
    673,874.82x = 1,009,917.99 × 357,650.82
  4. Step 4: Simplify right side
    673,874.82x = 361,197,997,256.25
  5. Step 5: Solve for x
    x = 361,197,997,256.25/673,874.82
  6. Step 6: Final answer
    x = 536,001.62

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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.