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Finding the Fourth Proportional to 295,088.20, 441,976.20 and 228,311.80

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Solution

The fourth proportional to 295,088.20, 441,976.20 and 228,311.80 is: 341,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,088.20 : 441,976.20 = 228,311.80 : x
  2. Step 2: Convert to fraction form
    295,088.20/441,976.20 = 228,311.80/x
  3. Step 3: Cross multiply
    295,088.20x = 441,976.20 × 228,311.80
  4. Step 4: Simplify right side
    295,088.20x = 100,908,381,779.16
  5. Step 5: Solve for x
    x = 100,908,381,779.16/295,088.20
  6. Step 6: Final answer
    x = 341,960.07

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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.