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Finding the Fourth Proportional to 605,435.20, 908,152.80 and 250,331.20

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Solution

The fourth proportional to 605,435.20, 908,152.80 and 250,331.20 is: 375,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,435.20 : 908,152.80 = 250,331.20 : x
  2. Step 2: Convert to fraction form
    605,435.20/908,152.80 = 250,331.20/x
  3. Step 3: Cross multiply
    605,435.20x = 908,152.80 × 250,331.20
  4. Step 4: Simplify right side
    605,435.20x = 227,338,980,207.36
  5. Step 5: Solve for x
    x = 227,338,980,207.36/605,435.20
  6. Step 6: Final answer
    x = 375,496.80

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Similar ratio
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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.