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Finding the Fourth Proportional to 535,539.52, 738,840.72 and 341,954.38

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Solution

The fourth proportional to 535,539.52, 738,840.72 and 341,954.38 is: 471,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,539.52 : 738,840.72 = 341,954.38 : x
  2. Step 2: Convert to fraction form
    535,539.52/738,840.72 = 341,954.38/x
  3. Step 3: Cross multiply
    535,539.52x = 738,840.72 × 341,954.38
  4. Step 4: Simplify right side
    535,539.52x = 252,649,820,326.35
  5. Step 5: Solve for x
    x = 252,649,820,326.35/535,539.52
  6. Step 6: Final answer
    x = 471,766.90

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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.