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Finding the Fourth Proportional to 453,700.01, 680,467.39 and 133,785.65

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Solution

The fourth proportional to 453,700.01, 680,467.39 and 133,785.65 is: 200,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,700.01 : 680,467.39 = 133,785.65 : x
  2. Step 2: Convert to fraction form
    453,700.01/680,467.39 = 133,785.65/x
  3. Step 3: Cross multiply
    453,700.01x = 680,467.39 × 133,785.65
  4. Step 4: Simplify right side
    453,700.01x = 91,036,772,074.95
  5. Step 5: Solve for x
    x = 91,036,772,074.95/453,700.01
  6. Step 6: Final answer
    x = 200,654.11

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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.