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Finding the Fourth Proportional to 437,561.60, 656,342.40 and 369,910.40

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Solution

The fourth proportional to 437,561.60, 656,342.40 and 369,910.40 is: 554,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,561.60 : 656,342.40 = 369,910.40 : x
  2. Step 2: Convert to fraction form
    437,561.60/656,342.40 = 369,910.40/x
  3. Step 3: Cross multiply
    437,561.60x = 656,342.40 × 369,910.40
  4. Step 4: Simplify right side
    437,561.60x = 242,787,879,720.96
  5. Step 5: Solve for x
    x = 242,787,879,720.96/437,561.60
  6. Step 6: Final answer
    x = 554,865.60

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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.