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Finding the Fourth Proportional to 1,296,062.40, 1,943,834.40 and 622,142.40

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Solution

The fourth proportional to 1,296,062.40, 1,943,834.40 and 622,142.40 is: 933,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,062.40 : 1,943,834.40 = 622,142.40 : x
  2. Step 2: Convert to fraction form
    1,296,062.40/1,943,834.40 = 622,142.40/x
  3. Step 3: Cross multiply
    1,296,062.40x = 1,943,834.40 × 622,142.40
  4. Step 4: Simplify right side
    1,296,062.40x = 1,209,341,798,818.56
  5. Step 5: Solve for x
    x = 1,209,341,798,818.56/1,296,062.40
  6. Step 6: Final answer
    x = 933,089.18

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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.