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Finding the Fourth Proportional to 3,269,547.99, 4,905,027.86 and 995,250.21

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Solution

The fourth proportional to 3,269,547.99, 4,905,027.86 and 995,250.21 is: 1,493,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,547.99 : 4,905,027.86 = 995,250.21 : x
  2. Step 2: Convert to fraction form
    3,269,547.99/4,905,027.86 = 995,250.21/x
  3. Step 3: Cross multiply
    3,269,547.99x = 4,905,027.86 × 995,250.21
  4. Step 4: Simplify right side
    3,269,547.99x = 4,881,730,002,744.60
  5. Step 5: Solve for x
    x = 4,881,730,002,744.60/3,269,547.99
  6. Step 6: Final answer
    x = 1,493,090.18

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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.