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Finding the Fourth Proportional to 6,155,899.88, 8,494,878.66 and 3,402,446.36

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Solution

The fourth proportional to 6,155,899.88, 8,494,878.66 and 3,402,446.36 is: 4,695,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155,899.88 : 8,494,878.66 = 3,402,446.36 : x
  2. Step 2: Convert to fraction form
    6,155,899.88/8,494,878.66 = 3,402,446.36/x
  3. Step 3: Cross multiply
    6,155,899.88x = 8,494,878.66 × 3,402,446.36
  4. Step 4: Simplify right side
    6,155,899.88x = 28,903,368,975,358.68
  5. Step 5: Solve for x
    x = 28,903,368,975,358.68/6,155,899.88
  6. Step 6: Final answer
    x = 4,695,230.52

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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.