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Finding the Fourth Proportional to 276,115.87, 413,566.71 and 228,187.77

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Solution

The fourth proportional to 276,115.87, 413,566.71 and 228,187.77 is: 341,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,115.87 : 413,566.71 = 228,187.77 : x
  2. Step 2: Convert to fraction form
    276,115.87/413,566.71 = 228,187.77/x
  3. Step 3: Cross multiply
    276,115.87x = 413,566.71 × 228,187.77
  4. Step 4: Simplify right side
    276,115.87x = 94,370,865,301.14
  5. Step 5: Solve for x
    x = 94,370,865,301.14/276,115.87
  6. Step 6: Final answer
    x = 341,779.94

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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.