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Finding the Fourth Proportional to 500,046.87, 690,059.80 and 270,599.25

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Solution

The fourth proportional to 500,046.87, 690,059.80 and 270,599.25 is: 373,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,046.87 : 690,059.80 = 270,599.25 : x
  2. Step 2: Convert to fraction form
    500,046.87/690,059.80 = 270,599.25/x
  3. Step 3: Cross multiply
    500,046.87x = 690,059.80 × 270,599.25
  4. Step 4: Simplify right side
    500,046.87x = 186,729,664,335.15
  5. Step 5: Solve for x
    x = 186,729,664,335.15/500,046.87
  6. Step 6: Final answer
    x = 373,424.32

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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.