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Finding the Fourth Proportional to 439,092.98, 605,950.81 and 237,888.98

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Solution

The fourth proportional to 439,092.98, 605,950.81 and 237,888.98 is: 328,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,092.98 : 605,950.81 = 237,888.98 : x
  2. Step 2: Convert to fraction form
    439,092.98/605,950.81 = 237,888.98/x
  3. Step 3: Cross multiply
    439,092.98x = 605,950.81 × 237,888.98
  4. Step 4: Simplify right side
    439,092.98x = 144,149,020,121.07
  5. Step 5: Solve for x
    x = 144,149,020,121.07/439,092.98
  6. Step 6: Final answer
    x = 328,288.15

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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.