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Finding the Fourth Proportional to 869,365.12, 1,199,891.52 and 567,034.24

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Solution

The fourth proportional to 869,365.12, 1,199,891.52 and 567,034.24 is: 782,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,365.12 : 1,199,891.52 = 567,034.24 : x
  2. Step 2: Convert to fraction form
    869,365.12/1,199,891.52 = 567,034.24/x
  3. Step 3: Cross multiply
    869,365.12x = 1,199,891.52 × 567,034.24
  4. Step 4: Simplify right side
    869,365.12x = 680,379,576,125.65
  5. Step 5: Solve for x
    x = 680,379,576,125.65/869,365.12
  6. Step 6: Final answer
    x = 782,616.60

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1.5x scale

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.