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Finding the Fourth Proportional to 355,400.60, 532,226.10 and 236,427.80

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Solution

The fourth proportional to 355,400.60, 532,226.10 and 236,427.80 is: 354,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,400.60 : 532,226.10 = 236,427.80 : x
  2. Step 2: Convert to fraction form
    355,400.60/532,226.10 = 236,427.80/x
  3. Step 3: Cross multiply
    355,400.60x = 532,226.10 × 236,427.80
  4. Step 4: Simplify right side
    355,400.60x = 125,833,045,925.58
  5. Step 5: Solve for x
    x = 125,833,045,925.58/355,400.60
  6. Step 6: Final answer
    x = 354,059.75

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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.