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Finding the Fourth Proportional to 558,211.60, 837,511.80 and 242,894.80

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Solution

The fourth proportional to 558,211.60, 837,511.80 and 242,894.80 is: 364,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,211.60 : 837,511.80 = 242,894.80 : x
  2. Step 2: Convert to fraction form
    558,211.60/837,511.80 = 242,894.80/x
  3. Step 3: Cross multiply
    558,211.60x = 837,511.80 × 242,894.80
  4. Step 4: Simplify right side
    558,211.60x = 203,427,261,158.64
  5. Step 5: Solve for x
    x = 203,427,261,158.64/558,211.60
  6. Step 6: Final answer
    x = 364,426.79

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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.