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Finding the Fourth Proportional to 508,029.21, 701,156.96 and 324,346.27

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Solution

The fourth proportional to 508,029.21, 701,156.96 and 324,346.27 is: 447,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,029.21 : 701,156.96 = 324,346.27 : x
  2. Step 2: Convert to fraction form
    508,029.21/701,156.96 = 324,346.27/x
  3. Step 3: Cross multiply
    508,029.21x = 701,156.96 × 324,346.27
  4. Step 4: Simplify right side
    508,029.21x = 227,417,642,502.21
  5. Step 5: Solve for x
    x = 227,417,642,502.21/508,029.21
  6. Step 6: Final answer
    x = 447,646.78

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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.