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Finding the Fourth Proportional to 605,293.20, 907,939.80 and 184,568.40

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Solution

The fourth proportional to 605,293.20, 907,939.80 and 184,568.40 is: 276,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,293.20 : 907,939.80 = 184,568.40 : x
  2. Step 2: Convert to fraction form
    605,293.20/907,939.80 = 184,568.40/x
  3. Step 3: Cross multiply
    605,293.20x = 907,939.80 × 184,568.40
  4. Step 4: Simplify right side
    605,293.20x = 167,576,996,182.32
  5. Step 5: Solve for x
    x = 167,576,996,182.32/605,293.20
  6. Step 6: Final answer
    x = 276,852.60

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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.