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Finding the Fourth Proportional to 896,608.80, 1,346,468.40 and 476,704.80

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Solution

The fourth proportional to 896,608.80, 1,346,468.40 and 476,704.80 is: 715,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,608.80 : 1,346,468.40 = 476,704.80 : x
  2. Step 2: Convert to fraction form
    896,608.80/1,346,468.40 = 476,704.80/x
  3. Step 3: Cross multiply
    896,608.80x = 1,346,468.40 × 476,704.80
  4. Step 4: Simplify right side
    896,608.80x = 641,867,949,328.32
  5. Step 5: Solve for x
    x = 641,867,949,328.32/896,608.80
  6. Step 6: Final answer
    x = 715,884.06

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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.