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Finding the Fourth Proportional to 6,384,808.80, 9,581,878.80 and 4,495,240.80

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Solution

The fourth proportional to 6,384,808.80, 9,581,878.80 and 4,495,240.80 is: 6,746,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,808.80 : 9,581,878.80 = 4,495,240.80 : x
  2. Step 2: Convert to fraction form
    6,384,808.80/9,581,878.80 = 4,495,240.80/x
  3. Step 3: Cross multiply
    6,384,808.80x = 9,581,878.80 × 4,495,240.80
  4. Step 4: Simplify right side
    6,384,808.80x = 43,072,852,522,415.04
  5. Step 5: Solve for x
    x = 43,072,852,522,415.04/6,384,808.80
  6. Step 6: Final answer
    x = 6,746,146.03

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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.