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Finding the Fourth Proportional to 637,536.79, 879,766.82 and 365,591.54

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Solution

The fourth proportional to 637,536.79, 879,766.82 and 365,591.54 is: 504,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,536.79 : 879,766.82 = 365,591.54 : x
  2. Step 2: Convert to fraction form
    637,536.79/879,766.82 = 365,591.54/x
  3. Step 3: Cross multiply
    637,536.79x = 879,766.82 × 365,591.54
  4. Step 4: Simplify right side
    637,536.79x = 321,635,308,307.13
  5. Step 5: Solve for x
    x = 321,635,308,307.13/637,536.79
  6. Step 6: Final answer
    x = 504,496.86

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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.