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Finding the Fourth Proportional to 453,543.60, 679,496.20 and 401,114.80

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Solution

The fourth proportional to 453,543.60, 679,496.20 and 401,114.80 is: 600,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,543.60 : 679,496.20 = 401,114.80 : x
  2. Step 2: Convert to fraction form
    453,543.60/679,496.20 = 401,114.80/x
  3. Step 3: Cross multiply
    453,543.60x = 679,496.20 × 401,114.80
  4. Step 4: Simplify right side
    453,543.60x = 272,555,982,363.76
  5. Step 5: Solve for x
    x = 272,555,982,363.76/453,543.60
  6. Step 6: Final answer
    x = 600,947.70

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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.