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Finding the Fourth Proportional to 667,404.16, 1,001,253.86 and 367,730.48

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Solution

The fourth proportional to 667,404.16, 1,001,253.86 and 367,730.48 is: 551,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,404.16 : 1,001,253.86 = 367,730.48 : x
  2. Step 2: Convert to fraction form
    667,404.16/1,001,253.86 = 367,730.48/x
  3. Step 3: Cross multiply
    667,404.16x = 1,001,253.86 × 367,730.48
  4. Step 4: Simplify right side
    667,404.16x = 368,191,562,539.65
  5. Step 5: Solve for x
    x = 368,191,562,539.65/667,404.16
  6. Step 6: Final answer
    x = 551,677.06

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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.