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Finding the Fourth Proportional to 290,950.52, 401,505.38 and 168,448.07

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Solution

The fourth proportional to 290,950.52, 401,505.38 and 168,448.07 is: 232,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,950.52 : 401,505.38 = 168,448.07 : x
  2. Step 2: Convert to fraction form
    290,950.52/401,505.38 = 168,448.07/x
  3. Step 3: Cross multiply
    290,950.52x = 401,505.38 × 168,448.07
  4. Step 4: Simplify right side
    290,950.52x = 67,632,803,505.85
  5. Step 5: Solve for x
    x = 67,632,803,505.85/290,950.52
  6. Step 6: Final answer
    x = 232,454.66

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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.