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Finding the Fourth Proportional to 895,384.80, 1,342,202.40 and 800,906.40

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Solution

The fourth proportional to 895,384.80, 1,342,202.40 and 800,906.40 is: 1,200,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,384.80 : 1,342,202.40 = 800,906.40 : x
  2. Step 2: Convert to fraction form
    895,384.80/1,342,202.40 = 800,906.40/x
  3. Step 3: Cross multiply
    895,384.80x = 1,342,202.40 × 800,906.40
  4. Step 4: Simplify right side
    895,384.80x = 1,074,978,492,255.36
  5. Step 5: Solve for x
    x = 1,074,978,492,255.36/895,384.80
  6. Step 6: Final answer
    x = 1,200,577.11

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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.