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Finding the Fourth Proportional to 1,863,824.80, 2,797,810.80 and 1,154,653.60

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Solution

The fourth proportional to 1,863,824.80, 2,797,810.80 and 1,154,653.60 is: 1,733,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,824.80 : 2,797,810.80 = 1,154,653.60 : x
  2. Step 2: Convert to fraction form
    1,863,824.80/2,797,810.80 = 1,154,653.60/x
  3. Step 3: Cross multiply
    1,863,824.80x = 2,797,810.80 × 1,154,653.60
  4. Step 4: Simplify right side
    1,863,824.80x = 3,230,502,312,338.88
  5. Step 5: Solve for x
    x = 3,230,502,312,338.88/1,863,824.80
  6. Step 6: Final answer
    x = 1,733,265.01

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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.