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Finding the Fourth Proportional to 1,295,849.06, 1,943,773.80 and 664,360.10

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Solution

The fourth proportional to 1,295,849.06, 1,943,773.80 and 664,360.10 is: 996,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,849.06 : 1,943,773.80 = 664,360.10 : x
  2. Step 2: Convert to fraction form
    1,295,849.06/1,943,773.80 = 664,360.10/x
  3. Step 3: Cross multiply
    1,295,849.06x = 1,943,773.80 × 664,360.10
  4. Step 4: Simplify right side
    1,295,849.06x = 1,291,365,756,145.38
  5. Step 5: Solve for x
    x = 1,291,365,756,145.38/1,295,849.06
  6. Step 6: Final answer
    x = 996,540.26

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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.