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Finding the Fourth Proportional to 460,810.76, 691,112.37 and 165,322.76

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Solution

The fourth proportional to 460,810.76, 691,112.37 and 165,322.76 is: 247,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,810.76 : 691,112.37 = 165,322.76 : x
  2. Step 2: Convert to fraction form
    460,810.76/691,112.37 = 165,322.76/x
  3. Step 3: Cross multiply
    460,810.76x = 691,112.37 × 165,322.76
  4. Step 4: Simplify right side
    460,810.76x = 114,256,604,478.54
  5. Step 5: Solve for x
    x = 114,256,604,478.54/460,810.76
  6. Step 6: Final answer
    x = 247,946.91

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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.