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Finding the Fourth Proportional to 866,999.10, 1,300,498.65 and 601,059.90

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Solution

The fourth proportional to 866,999.10, 1,300,498.65 and 601,059.90 is: 901,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,999.10 : 1,300,498.65 = 601,059.90 : x
  2. Step 2: Convert to fraction form
    866,999.10/1,300,498.65 = 601,059.90/x
  3. Step 3: Cross multiply
    866,999.10x = 1,300,498.65 × 601,059.90
  4. Step 4: Simplify right side
    866,999.10x = 781,677,588,519.14
  5. Step 5: Solve for x
    x = 781,677,588,519.14/866,999.10
  6. Step 6: Final answer
    x = 901,589.85

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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.