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Finding the Fourth Proportional to 574,742.52, 793,144.74 and 320,093.70

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Solution

The fourth proportional to 574,742.52, 793,144.74 and 320,093.70 is: 441,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,742.52 : 793,144.74 = 320,093.70 : x
  2. Step 2: Convert to fraction form
    574,742.52/793,144.74 = 320,093.70/x
  3. Step 3: Cross multiply
    574,742.52x = 793,144.74 × 320,093.70
  4. Step 4: Simplify right side
    574,742.52x = 253,880,634,462.14
  5. Step 5: Solve for x
    x = 253,880,634,462.14/574,742.52
  6. Step 6: Final answer
    x = 441,729.34

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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.