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Finding the Fourth Proportional to 793,880.10, 1,095,559.80 and 431,303.88

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Solution

The fourth proportional to 793,880.10, 1,095,559.80 and 431,303.88 is: 595,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,880.10 : 1,095,559.80 = 431,303.88 : x
  2. Step 2: Convert to fraction form
    793,880.10/1,095,559.80 = 431,303.88/x
  3. Step 3: Cross multiply
    793,880.10x = 1,095,559.80 × 431,303.88
  4. Step 4: Simplify right side
    793,880.10x = 472,519,192,512.02
  5. Step 5: Solve for x
    x = 472,519,192,512.02/793,880.10
  6. Step 6: Final answer
    x = 595,202.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.