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Finding the Fourth Proportional to 293,887.68, 441,348.36 and 289,680.48

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Solution

The fourth proportional to 293,887.68, 441,348.36 and 289,680.48 is: 435,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,887.68 : 441,348.36 = 289,680.48 : x
  2. Step 2: Convert to fraction form
    293,887.68/441,348.36 = 289,680.48/x
  3. Step 3: Cross multiply
    293,887.68x = 441,348.36 × 289,680.48
  4. Step 4: Simplify right side
    293,887.68x = 127,850,004,772.01
  5. Step 5: Solve for x
    x = 127,850,004,772.01/293,887.68
  6. Step 6: Final answer
    x = 435,030.16

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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.