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Finding the Fourth Proportional to 608,181.31, 839,106 and 424,414.99

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Solution

The fourth proportional to 608,181.31, 839,106 and 424,414.99 is: 585,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,181.31 : 839,106 = 424,414.99 : x
  2. Step 2: Convert to fraction form
    608,181.31/839,106 = 424,414.99/x
  3. Step 3: Cross multiply
    608,181.31x = 839,106 × 424,414.99
  4. Step 4: Simplify right side
    608,181.31x = 356,129,164,598.94
  5. Step 5: Solve for x
    x = 356,129,164,598.94/608,181.31
  6. Step 6: Final answer
    x = 585,564.14

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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.