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Finding the Fourth Proportional to 498,244, 687,591.32 and 271,904.08

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Solution

The fourth proportional to 498,244, 687,591.32 and 271,904.08 is: 375,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,244 : 687,591.32 = 271,904.08 : x
  2. Step 2: Convert to fraction form
    498,244/687,591.32 = 271,904.08/x
  3. Step 3: Cross multiply
    498,244x = 687,591.32 × 271,904.08
  4. Step 4: Simplify right side
    498,244x = 186,958,885,280.59
  5. Step 5: Solve for x
    x = 186,958,885,280.59/498,244
  6. Step 6: Final answer
    x = 375,235.60

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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.