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Finding the Fourth Proportional to 307,734, 424,687.59 and 173,598

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Solution

The fourth proportional to 307,734, 424,687.59 and 173,598 is: 239,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,734 : 424,687.59 = 173,598 : x
  2. Step 2: Convert to fraction form
    307,734/424,687.59 = 173,598/x
  3. Step 3: Cross multiply
    307,734x = 424,687.59 × 173,598
  4. Step 4: Simplify right side
    307,734x = 73,724,916,248.82
  5. Step 5: Solve for x
    x = 73,724,916,248.82/307,734
  6. Step 6: Final answer
    x = 239,573.52

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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.