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Finding the Fourth Proportional to 453,670.60, 680,505.90 and 294,238.30

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Solution

The fourth proportional to 453,670.60, 680,505.90 and 294,238.30 is: 441,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,670.60 : 680,505.90 = 294,238.30 : x
  2. Step 2: Convert to fraction form
    453,670.60/680,505.90 = 294,238.30/x
  3. Step 3: Cross multiply
    453,670.60x = 680,505.90 × 294,238.30
  4. Step 4: Simplify right side
    453,670.60x = 200,230,899,155.97
  5. Step 5: Solve for x
    x = 200,230,899,155.97/453,670.60
  6. Step 6: Final answer
    x = 441,357.45

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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.