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Finding the Fourth Proportional to 672,487.02, 928,026.53 and 366,557.84

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Solution

The fourth proportional to 672,487.02, 928,026.53 and 366,557.84 is: 505,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,487.02 : 928,026.53 = 366,557.84 : x
  2. Step 2: Convert to fraction form
    672,487.02/928,026.53 = 366,557.84/x
  3. Step 3: Cross multiply
    672,487.02x = 928,026.53 × 366,557.84
  4. Step 4: Simplify right side
    672,487.02x = 340,175,400,299.50
  5. Step 5: Solve for x
    x = 340,175,400,299.50/672,487.02
  6. Step 6: Final answer
    x = 505,846.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.