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Finding the Fourth Proportional to 976,607.56, 1,347,803.22 and 546,879.88

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Solution

The fourth proportional to 976,607.56, 1,347,803.22 and 546,879.88 is: 754,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,607.56 : 1,347,803.22 = 546,879.88 : x
  2. Step 2: Convert to fraction form
    976,607.56/1,347,803.22 = 546,879.88/x
  3. Step 3: Cross multiply
    976,607.56x = 1,347,803.22 × 546,879.88
  4. Step 4: Simplify right side
    976,607.56x = 737,086,463,217.21
  5. Step 5: Solve for x
    x = 737,086,463,217.21/976,607.56
  6. Step 6: Final answer
    x = 754,741.71

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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.