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Finding the Fourth Proportional to 569,821.16, 855,151.70 and 270,302.60

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Solution

The fourth proportional to 569,821.16, 855,151.70 and 270,302.60 is: 405,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,821.16 : 855,151.70 = 270,302.60 : x
  2. Step 2: Convert to fraction form
    569,821.16/855,151.70 = 270,302.60/x
  3. Step 3: Cross multiply
    569,821.16x = 855,151.70 × 270,302.60
  4. Step 4: Simplify right side
    569,821.16x = 231,149,727,904.42
  5. Step 5: Solve for x
    x = 231,149,727,904.42/569,821.16
  6. Step 6: Final answer
    x = 405,653.11

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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.