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Finding the Fourth Proportional to 460,549.88, 690,917.94 and 194,311.04

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Solution

The fourth proportional to 460,549.88, 690,917.94 and 194,311.04 is: 291,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,549.88 : 690,917.94 = 194,311.04 : x
  2. Step 2: Convert to fraction form
    460,549.88/690,917.94 = 194,311.04/x
  3. Step 3: Cross multiply
    460,549.88x = 690,917.94 × 194,311.04
  4. Step 4: Simplify right side
    460,549.88x = 134,252,983,476.06
  5. Step 5: Solve for x
    x = 134,252,983,476.06/460,549.88
  6. Step 6: Final answer
    x = 291,505.85

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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.