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Finding the Fourth Proportional to 307,293.88, 460,988.30 and 104,842.58

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Solution

The fourth proportional to 307,293.88, 460,988.30 and 104,842.58 is: 157,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,293.88 : 460,988.30 = 104,842.58 : x
  2. Step 2: Convert to fraction form
    307,293.88/460,988.30 = 104,842.58/x
  3. Step 3: Cross multiply
    307,293.88x = 460,988.30 × 104,842.58
  4. Step 4: Simplify right side
    307,293.88x = 48,331,202,721.81
  5. Step 5: Solve for x
    x = 48,331,202,721.81/307,293.88
  6. Step 6: Final answer
    x = 157,280.07

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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.