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Finding the Fourth Proportional to 531,474.66, 732,983.78 and 449,092.26

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Solution

The fourth proportional to 531,474.66, 732,983.78 and 449,092.26 is: 619,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,474.66 : 732,983.78 = 449,092.26 : x
  2. Step 2: Convert to fraction form
    531,474.66/732,983.78 = 449,092.26/x
  3. Step 3: Cross multiply
    531,474.66x = 732,983.78 × 449,092.26
  4. Step 4: Simplify right side
    531,474.66x = 329,177,342,303.54
  5. Step 5: Solve for x
    x = 329,177,342,303.54/531,474.66
  6. Step 6: Final answer
    x = 619,366.02

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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.