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Finding the Fourth Proportional to 2,547,878.04, 3,821,819.94 and 654,635.16

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Solution

The fourth proportional to 2,547,878.04, 3,821,819.94 and 654,635.16 is: 981,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,878.04 : 3,821,819.94 = 654,635.16 : x
  2. Step 2: Convert to fraction form
    2,547,878.04/3,821,819.94 = 654,635.16/x
  3. Step 3: Cross multiply
    2,547,878.04x = 3,821,819.94 × 654,635.16
  4. Step 4: Simplify right side
    2,547,878.04x = 2,501,897,707,913.09
  5. Step 5: Solve for x
    x = 2,501,897,707,913.09/2,547,878.04
  6. Step 6: Final answer
    x = 981,953.48

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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.