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Finding the Fourth Proportional to 672,608.58, 1,006,709.45 and 368,539.03

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Solution

The fourth proportional to 672,608.58, 1,006,709.45 and 368,539.03 is: 551,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,608.58 : 1,006,709.45 = 368,539.03 : x
  2. Step 2: Convert to fraction form
    672,608.58/1,006,709.45 = 368,539.03/x
  3. Step 3: Cross multiply
    672,608.58x = 1,006,709.45 × 368,539.03
  4. Step 4: Simplify right side
    672,608.58x = 371,011,723,610.53
  5. Step 5: Solve for x
    x = 371,011,723,610.53/672,608.58
  6. Step 6: Final answer
    x = 551,601.24

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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.