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Finding the Fourth Proportional to 508,755.91, 701,682.54 and 450,674.77

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Solution

The fourth proportional to 508,755.91, 701,682.54 and 450,674.77 is: 621,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,755.91 : 701,682.54 = 450,674.77 : x
  2. Step 2: Convert to fraction form
    508,755.91/701,682.54 = 450,674.77/x
  3. Step 3: Cross multiply
    508,755.91x = 701,682.54 × 450,674.77
  4. Step 4: Simplify right side
    508,755.91x = 316,230,617,327.52
  5. Step 5: Solve for x
    x = 316,230,617,327.52/508,755.91
  6. Step 6: Final answer
    x = 621,576.30

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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.