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Finding the Fourth Proportional to 1,797,402.96, 2,480,417.16 and 981,618

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Solution

The fourth proportional to 1,797,402.96, 2,480,417.16 and 981,618 is: 1,354,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,402.96 : 2,480,417.16 = 981,618 : x
  2. Step 2: Convert to fraction form
    1,797,402.96/2,480,417.16 = 981,618/x
  3. Step 3: Cross multiply
    1,797,402.96x = 2,480,417.16 × 981,618
  4. Step 4: Simplify right side
    1,797,402.96x = 2,434,822,131,764.88
  5. Step 5: Solve for x
    x = 2,434,822,131,764.88/1,797,402.96
  6. Step 6: Final answer
    x = 1,354,633.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.