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Finding the Fourth Proportional to 3,165,899.00, 4,748,782.88 and 769,756.19

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Solution

The fourth proportional to 3,165,899.00, 4,748,782.88 and 769,756.19 is: 1,154,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,899.00 : 4,748,782.88 = 769,756.19 : x
  2. Step 2: Convert to fraction form
    3,165,899.00/4,748,782.88 = 769,756.19/x
  3. Step 3: Cross multiply
    3,165,899.00x = 4,748,782.88 × 769,756.19
  4. Step 4: Simplify right side
    3,165,899.00x = 3,655,404,995,026.50
  5. Step 5: Solve for x
    x = 3,655,404,995,026.50/3,165,899.00
  6. Step 6: Final answer
    x = 1,154,618.33

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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.