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Finding the Fourth Proportional to 807,586.56, 1,114,469.48 and 468,251.64

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Solution

The fourth proportional to 807,586.56, 1,114,469.48 and 468,251.64 is: 646,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,586.56 : 1,114,469.48 = 468,251.64 : x
  2. Step 2: Convert to fraction form
    807,586.56/1,114,469.48 = 468,251.64/x
  3. Step 3: Cross multiply
    807,586.56x = 1,114,469.48 × 468,251.64
  4. Step 4: Simplify right side
    807,586.56x = 521,852,161,739.95
  5. Step 5: Solve for x
    x = 521,852,161,739.95/807,586.56
  6. Step 6: Final answer
    x = 646,187.28

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Double scale
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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.