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Finding the Fourth Proportional to 507,015.60, 760,523.40 and 133,076.40

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Solution

The fourth proportional to 507,015.60, 760,523.40 and 133,076.40 is: 199,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,015.60 : 760,523.40 = 133,076.40 : x
  2. Step 2: Convert to fraction form
    507,015.60/760,523.40 = 133,076.40/x
  3. Step 3: Cross multiply
    507,015.60x = 760,523.40 × 133,076.40
  4. Step 4: Simplify right side
    507,015.60x = 101,207,716,187.76
  5. Step 5: Solve for x
    x = 101,207,716,187.76/507,015.60
  6. Step 6: Final answer
    x = 199,614.60

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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.