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Finding the Fourth Proportional to 2,547,890.04, 3,822,425.54 and 864,993.48

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Solution

The fourth proportional to 2,547,890.04, 3,822,425.54 and 864,993.48 is: 1,297,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,890.04 : 3,822,425.54 = 864,993.48 : x
  2. Step 2: Convert to fraction form
    2,547,890.04/3,822,425.54 = 864,993.48/x
  3. Step 3: Cross multiply
    2,547,890.04x = 3,822,425.54 × 864,993.48
  4. Step 4: Simplify right side
    2,547,890.04x = 3,306,373,169,885.48
  5. Step 5: Solve for x
    x = 3,306,373,169,885.48/2,547,890.04
  6. Step 6: Final answer
    x = 1,297,690.68

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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.