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Finding the Fourth Proportional to 500,293.53, 690,400.09 and 270,844.74

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Solution

The fourth proportional to 500,293.53, 690,400.09 and 270,844.74 is: 373,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,293.53 : 690,400.09 = 270,844.74 : x
  2. Step 2: Convert to fraction form
    500,293.53/690,400.09 = 270,844.74/x
  3. Step 3: Cross multiply
    500,293.53x = 690,400.09 × 270,844.74
  4. Step 4: Simplify right side
    500,293.53x = 186,991,232,872.03
  5. Step 5: Solve for x
    x = 186,991,232,872.03/500,293.53
  6. Step 6: Final answer
    x = 373,763.04

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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.