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Finding the Fourth Proportional to 605,115.40, 907,673.10 and 184,412.20

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Solution

The fourth proportional to 605,115.40, 907,673.10 and 184,412.20 is: 276,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,115.40 : 907,673.10 = 184,412.20 : x
  2. Step 2: Convert to fraction form
    605,115.40/907,673.10 = 184,412.20/x
  3. Step 3: Cross multiply
    605,115.40x = 907,673.10 × 184,412.20
  4. Step 4: Simplify right side
    605,115.40x = 167,385,993,251.82
  5. Step 5: Solve for x
    x = 167,385,993,251.82/605,115.40
  6. Step 6: Final answer
    x = 276,618.30

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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.