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Finding the Fourth Proportional to 450,460.96, 675,796.54 and 130,619.50

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Solution

The fourth proportional to 450,460.96, 675,796.54 and 130,619.50 is: 195,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,460.96 : 675,796.54 = 130,619.50 : x
  2. Step 2: Convert to fraction form
    450,460.96/675,796.54 = 130,619.50/x
  3. Step 3: Cross multiply
    450,460.96x = 675,796.54 × 130,619.50
  4. Step 4: Simplify right side
    450,460.96x = 88,272,205,829.98
  5. Step 5: Solve for x
    x = 88,272,205,829.98/450,460.96
  6. Step 6: Final answer
    x = 195,959.72

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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.