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Finding the Fourth Proportional to 589,693.28, 813,776.96 and 335,044.80

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Solution

The fourth proportional to 589,693.28, 813,776.96 and 335,044.80 is: 462,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,693.28 : 813,776.96 = 335,044.80 : x
  2. Step 2: Convert to fraction form
    589,693.28/813,776.96 = 335,044.80/x
  3. Step 3: Cross multiply
    589,693.28x = 813,776.96 × 335,044.80
  4. Step 4: Simplify right side
    589,693.28x = 272,651,738,807.81
  5. Step 5: Solve for x
    x = 272,651,738,807.81/589,693.28
  6. Step 6: Final answer
    x = 462,361.96

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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.