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Finding the Fourth Proportional to 635,472.09, 876,950.43 and 348,992.18

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Solution

The fourth proportional to 635,472.09, 876,950.43 and 348,992.18 is: 481,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,472.09 : 876,950.43 = 348,992.18 : x
  2. Step 2: Convert to fraction form
    635,472.09/876,950.43 = 348,992.18/x
  3. Step 3: Cross multiply
    635,472.09x = 876,950.43 × 348,992.18
  4. Step 4: Simplify right side
    635,472.09x = 306,048,837,932.89
  5. Step 5: Solve for x
    x = 306,048,837,932.89/635,472.09
  6. Step 6: Final answer
    x = 481,608.62

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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.