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Finding the Fourth Proportional to 637,538.58, 879,840.09 and 365,604.30

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Solution

The fourth proportional to 637,538.58, 879,840.09 and 365,604.30 is: 504,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,538.58 : 879,840.09 = 365,604.30 : x
  2. Step 2: Convert to fraction form
    637,538.58/879,840.09 = 365,604.30/x
  3. Step 3: Cross multiply
    637,538.58x = 879,840.09 × 365,604.30
  4. Step 4: Simplify right side
    637,538.58x = 321,673,320,216.39
  5. Step 5: Solve for x
    x = 321,673,320,216.39/637,538.58
  6. Step 6: Final answer
    x = 504,555.07

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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.