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Finding the Fourth Proportional to 1,295,687.79, 1,943,905.19 and 397,262.12

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Solution

The fourth proportional to 1,295,687.79, 1,943,905.19 and 397,262.12 is: 596,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,687.79 : 1,943,905.19 = 397,262.12 : x
  2. Step 2: Convert to fraction form
    1,295,687.79/1,943,905.19 = 397,262.12/x
  3. Step 3: Cross multiply
    1,295,687.79x = 1,943,905.19 × 397,262.12
  4. Step 4: Simplify right side
    1,295,687.79x = 772,239,885,152.57
  5. Step 5: Solve for x
    x = 772,239,885,152.57/1,295,687.79
  6. Step 6: Final answer
    x = 596,007.69

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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.