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Finding the Fourth Proportional to 535,449.24, 738,907.08 and 293,729.64

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Solution

The fourth proportional to 535,449.24, 738,907.08 and 293,729.64 is: 405,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,449.24 : 738,907.08 = 293,729.64 : x
  2. Step 2: Convert to fraction form
    535,449.24/738,907.08 = 293,729.64/x
  3. Step 3: Cross multiply
    535,449.24x = 738,907.08 × 293,729.64
  4. Step 4: Simplify right side
    535,449.24x = 217,038,910,601.85
  5. Step 5: Solve for x
    x = 217,038,910,601.85/535,449.24
  6. Step 6: Final answer
    x = 405,339.84

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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.