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Finding the Fourth Proportional to 1,080,769.03, 1,621,186.57 and 370,787.11

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Solution

The fourth proportional to 1,080,769.03, 1,621,186.57 and 370,787.11 is: 556,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,769.03 : 1,621,186.57 = 370,787.11 : x
  2. Step 2: Convert to fraction form
    1,080,769.03/1,621,186.57 = 370,787.11/x
  3. Step 3: Cross multiply
    1,080,769.03x = 1,621,186.57 × 370,787.11
  4. Step 4: Simplify right side
    1,080,769.03x = 601,115,074,955.18
  5. Step 5: Solve for x
    x = 601,115,074,955.18/1,080,769.03
  6. Step 6: Final answer
    x = 556,191.99

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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.