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Finding the Fourth Proportional to 574,828.88, 793,225.89 and 345,249.77

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Solution

The fourth proportional to 574,828.88, 793,225.89 and 345,249.77 is: 476,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,828.88 : 793,225.89 = 345,249.77 : x
  2. Step 2: Convert to fraction form
    574,828.88/793,225.89 = 345,249.77/x
  3. Step 3: Cross multiply
    574,828.88x = 793,225.89 × 345,249.77
  4. Step 4: Simplify right side
    574,828.88x = 273,861,052,114.42
  5. Step 5: Solve for x
    x = 273,861,052,114.42/574,828.88
  6. Step 6: Final answer
    x = 476,421.88

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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.