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Finding the Fourth Proportional to 605,619.90, 908,101.80 and 250,232.40

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Solution

The fourth proportional to 605,619.90, 908,101.80 and 250,232.40 is: 375,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,619.90 : 908,101.80 = 250,232.40 : x
  2. Step 2: Convert to fraction form
    605,619.90/908,101.80 = 250,232.40/x
  3. Step 3: Cross multiply
    605,619.90x = 908,101.80 × 250,232.40
  4. Step 4: Simplify right side
    605,619.90x = 227,236,492,858.32
  5. Step 5: Solve for x
    x = 227,236,492,858.32/605,619.90
  6. Step 6: Final answer
    x = 375,213.06

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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.