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Finding the Fourth Proportional to 453,108.60, 678,885.30 and 295,255.80

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Solution

The fourth proportional to 453,108.60, 678,885.30 and 295,255.80 is: 442,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,108.60 : 678,885.30 = 295,255.80 : x
  2. Step 2: Convert to fraction form
    453,108.60/678,885.30 = 295,255.80/x
  3. Step 3: Cross multiply
    453,108.60x = 678,885.30 × 295,255.80
  4. Step 4: Simplify right side
    453,108.60x = 200,444,822,359.74
  5. Step 5: Solve for x
    x = 200,444,822,359.74/453,108.60
  6. Step 6: Final answer
    x = 442,377.00

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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.