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Finding the Fourth Proportional to 295,090.70, 441,979.95 and 228,314.30

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Solution

The fourth proportional to 295,090.70, 441,979.95 and 228,314.30 is: 341,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,090.70 : 441,979.95 = 228,314.30 : x
  2. Step 2: Convert to fraction form
    295,090.70/441,979.95 = 228,314.30/x
  3. Step 3: Cross multiply
    295,090.70x = 441,979.95 × 228,314.30
  4. Step 4: Simplify right side
    295,090.70x = 100,910,342,898.29
  5. Step 5: Solve for x
    x = 100,910,342,898.29/295,090.70
  6. Step 6: Final answer
    x = 341,963.82

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1.5x scale

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.