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Finding the Fourth Proportional to 707,861.04, 977,061.66 and 481,637.76

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Solution

The fourth proportional to 707,861.04, 977,061.66 and 481,637.76 is: 664,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,861.04 : 977,061.66 = 481,637.76 : x
  2. Step 2: Convert to fraction form
    707,861.04/977,061.66 = 481,637.76/x
  3. Step 3: Cross multiply
    707,861.04x = 977,061.66 × 481,637.76
  4. Step 4: Simplify right side
    707,861.04x = 470,589,789,304.28
  5. Step 5: Solve for x
    x = 470,589,789,304.28/707,861.04
  6. Step 6: Final answer
    x = 664,805.33

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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.