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Finding the Fourth Proportional to 457,505.94, 631,359.81 and 253,560.27

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Solution

The fourth proportional to 457,505.94, 631,359.81 and 253,560.27 is: 349,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,505.94 : 631,359.81 = 253,560.27 : x
  2. Step 2: Convert to fraction form
    457,505.94/631,359.81 = 253,560.27/x
  3. Step 3: Cross multiply
    457,505.94x = 631,359.81 × 253,560.27
  4. Step 4: Simplify right side
    457,505.94x = 160,087,763,890.75
  5. Step 5: Solve for x
    x = 160,087,763,890.75/457,505.94
  6. Step 6: Final answer
    x = 349,914.07

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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.