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Finding the Fourth Proportional to 295,053.58, 442,185.06 and 276,157.90

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Solution

The fourth proportional to 295,053.58, 442,185.06 and 276,157.90 is: 413,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,053.58 : 442,185.06 = 276,157.90 : x
  2. Step 2: Convert to fraction form
    295,053.58/442,185.06 = 276,157.90/x
  3. Step 3: Cross multiply
    295,053.58x = 442,185.06 × 276,157.90
  4. Step 4: Simplify right side
    295,053.58x = 122,112,897,580.97
  5. Step 5: Solve for x
    x = 122,112,897,580.97/295,053.58
  6. Step 6: Final answer
    x = 413,866.86

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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.