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Finding the Fourth Proportional to 637,540.58, 879,842.86 and 365,606.30

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Solution

The fourth proportional to 637,540.58, 879,842.86 and 365,606.30 is: 504,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,540.58 : 879,842.86 = 365,606.30 : x
  2. Step 2: Convert to fraction form
    637,540.58/879,842.86 = 365,606.30/x
  3. Step 3: Cross multiply
    637,540.58x = 879,842.86 × 365,606.30
  4. Step 4: Simplify right side
    637,540.58x = 321,676,092,626.02
  5. Step 5: Solve for x
    x = 321,676,092,626.02/637,540.58
  6. Step 6: Final answer
    x = 504,557.83

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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.