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Finding the Fourth Proportional to 543,543.30, 814,330.80 and 464,811.30

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Solution

The fourth proportional to 543,543.30, 814,330.80 and 464,811.30 is: 696,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,543.30 : 814,330.80 = 464,811.30 : x
  2. Step 2: Convert to fraction form
    543,543.30/814,330.80 = 464,811.30/x
  3. Step 3: Cross multiply
    543,543.30x = 814,330.80 × 464,811.30
  4. Step 4: Simplify right side
    543,543.30x = 378,510,157,778.04
  5. Step 5: Solve for x
    x = 378,510,157,778.04/543,543.30
  6. Step 6: Final answer
    x = 696,375.35

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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.