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Finding the Fourth Proportional to 307,292.88, 460,986.80 and 104,841.58

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Solution

The fourth proportional to 307,292.88, 460,986.80 and 104,841.58 is: 157,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,292.88 : 460,986.80 = 104,841.58 : x
  2. Step 2: Convert to fraction form
    307,292.88/460,986.80 = 104,841.58/x
  3. Step 3: Cross multiply
    307,292.88x = 460,986.80 × 104,841.58
  4. Step 4: Simplify right side
    307,292.88x = 48,330,583,580.78
  5. Step 5: Solve for x
    x = 48,330,583,580.78/307,292.88
  6. Step 6: Final answer
    x = 157,278.57

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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.