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Finding the Fourth Proportional to 453,923.40, 680,885.10 and 294,491.10

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Solution

The fourth proportional to 453,923.40, 680,885.10 and 294,491.10 is: 441,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,923.40 : 680,885.10 = 294,491.10 : x
  2. Step 2: Convert to fraction form
    453,923.40/680,885.10 = 294,491.10/x
  3. Step 3: Cross multiply
    453,923.40x = 680,885.10 × 294,491.10
  4. Step 4: Simplify right side
    453,923.40x = 200,514,602,072.61
  5. Step 5: Solve for x
    x = 200,514,602,072.61/453,923.40
  6. Step 6: Final answer
    x = 441,736.65

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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.