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Finding the Fourth Proportional to 633,331.28, 947,752.81 and 558,597.44

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Solution

The fourth proportional to 633,331.28, 947,752.81 and 558,597.44 is: 835,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,331.28 : 947,752.81 = 558,597.44 : x
  2. Step 2: Convert to fraction form
    633,331.28/947,752.81 = 558,597.44/x
  3. Step 3: Cross multiply
    633,331.28x = 947,752.81 × 558,597.44
  4. Step 4: Simplify right side
    633,331.28x = 529,412,293,418.81
  5. Step 5: Solve for x
    x = 529,412,293,418.81/633,331.28
  6. Step 6: Final answer
    x = 835,916.86

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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.