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Finding the Fourth Proportional to 608,940.36, 841,140.90 and 467,448.84

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Solution

The fourth proportional to 608,940.36, 841,140.90 and 467,448.84 is: 645,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,940.36 : 841,140.90 = 467,448.84 : x
  2. Step 2: Convert to fraction form
    608,940.36/841,140.90 = 467,448.84/x
  3. Step 3: Cross multiply
    608,940.36x = 841,140.90 × 467,448.84
  4. Step 4: Simplify right side
    608,940.36x = 393,190,337,981.56
  5. Step 5: Solve for x
    x = 393,190,337,981.56/608,940.36
  6. Step 6: Final answer
    x = 645,695.97

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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.