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Finding the Fourth Proportional to 453,640.65, 680,459.99 and 134,016.93

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Solution

The fourth proportional to 453,640.65, 680,459.99 and 134,016.93 is: 201,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,640.65 : 680,459.99 = 134,016.93 : x
  2. Step 2: Convert to fraction form
    453,640.65/680,459.99 = 134,016.93/x
  3. Step 3: Cross multiply
    453,640.65x = 680,459.99 × 134,016.93
  4. Step 4: Simplify right side
    453,640.65x = 91,193,158,931.39
  5. Step 5: Solve for x
    x = 91,193,158,931.39/453,640.65
  6. Step 6: Final answer
    x = 201,025.10

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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.