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Finding the Fourth Proportional to 440,008.91, 659,907.66 and 203,124.01

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Solution

The fourth proportional to 440,008.91, 659,907.66 and 203,124.01 is: 304,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,008.91 : 659,907.66 = 203,124.01 : x
  2. Step 2: Convert to fraction form
    440,008.91/659,907.66 = 203,124.01/x
  3. Step 3: Cross multiply
    440,008.91x = 659,907.66 × 203,124.01
  4. Step 4: Simplify right side
    440,008.91x = 134,043,086,829.38
  5. Step 5: Solve for x
    x = 134,043,086,829.38/440,008.91
  6. Step 6: Final answer
    x = 304,637.21

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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.