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Finding the Fourth Proportional to 641,833.34, 962,057.72 and 417,354.80

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Solution

The fourth proportional to 641,833.34, 962,057.72 and 417,354.80 is: 625,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,833.34 : 962,057.72 = 417,354.80 : x
  2. Step 2: Convert to fraction form
    641,833.34/962,057.72 = 417,354.80/x
  3. Step 3: Cross multiply
    641,833.34x = 962,057.72 × 417,354.80
  4. Step 4: Simplify right side
    641,833.34x = 401,519,403,552.15
  5. Step 5: Solve for x
    x = 401,519,403,552.15/641,833.34
  6. Step 6: Final answer
    x = 625,582.03

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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.