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Finding the Fourth Proportional to 437,532.30, 656,298.45 and 374,546.70

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Solution

The fourth proportional to 437,532.30, 656,298.45 and 374,546.70 is: 561,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,532.30 : 656,298.45 = 374,546.70 : x
  2. Step 2: Convert to fraction form
    437,532.30/656,298.45 = 374,546.70/x
  3. Step 3: Cross multiply
    437,532.30x = 656,298.45 × 374,546.70
  4. Step 4: Simplify right side
    437,532.30x = 245,814,418,662.62
  5. Step 5: Solve for x
    x = 245,814,418,662.62/437,532.30
  6. Step 6: Final answer
    x = 561,820.05

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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.