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Finding the Fourth Proportional to 253,592.94, 380,367.39 and 153,723.72

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Solution

The fourth proportional to 253,592.94, 380,367.39 and 153,723.72 is: 230,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,592.94 : 380,367.39 = 153,723.72 : x
  2. Step 2: Convert to fraction form
    253,592.94/380,367.39 = 153,723.72/x
  3. Step 3: Cross multiply
    253,592.94x = 380,367.39 × 153,723.72
  4. Step 4: Simplify right side
    253,592.94x = 58,471,490,157.49
  5. Step 5: Solve for x
    x = 58,471,490,157.49/253,592.94
  6. Step 6: Final answer
    x = 230,572.23

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1.5x scale

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.