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Finding the Fourth Proportional to 672,108.99, 927,505.27 and 366,184.43

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Solution

The fourth proportional to 672,108.99, 927,505.27 and 366,184.43 is: 505,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,108.99 : 927,505.27 = 366,184.43 : x
  2. Step 2: Convert to fraction form
    672,108.99/927,505.27 = 366,184.43/x
  3. Step 3: Cross multiply
    672,108.99x = 927,505.27 × 366,184.43
  4. Step 4: Simplify right side
    672,108.99x = 339,637,985,855.51
  5. Step 5: Solve for x
    x = 339,637,985,855.51/672,108.99
  6. Step 6: Final answer
    x = 505,331.71

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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.