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Finding the Fourth Proportional to 1,957,147.70, 2,935,721.55 and 835,330.10

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Solution

The fourth proportional to 1,957,147.70, 2,935,721.55 and 835,330.10 is: 1,252,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,147.70 : 2,935,721.55 = 835,330.10 : x
  2. Step 2: Convert to fraction form
    1,957,147.70/2,935,721.55 = 835,330.10/x
  3. Step 3: Cross multiply
    1,957,147.70x = 2,935,721.55 × 835,330.10
  4. Step 4: Simplify right side
    1,957,147.70x = 2,452,296,575,933.65
  5. Step 5: Solve for x
    x = 2,452,296,575,933.65/1,957,147.70
  6. Step 6: Final answer
    x = 1,252,995.15

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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.