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Finding the Fourth Proportional to 637,255.83, 879,310.11 and 365,273.67

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Solution

The fourth proportional to 637,255.83, 879,310.11 and 365,273.67 is: 504,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,255.83 : 879,310.11 = 365,273.67 : x
  2. Step 2: Convert to fraction form
    637,255.83/879,310.11 = 365,273.67/x
  3. Step 3: Cross multiply
    637,255.83x = 879,310.11 × 365,273.67
  4. Step 4: Simplify right side
    637,255.83x = 321,188,830,947.80
  5. Step 5: Solve for x
    x = 321,188,830,947.80/637,255.83
  6. Step 6: Final answer
    x = 504,018.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.