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Finding the Fourth Proportional to 439,992.08, 607,189.38 and 238,788.08

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Solution

The fourth proportional to 439,992.08, 607,189.38 and 238,788.08 is: 329,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,992.08 : 607,189.38 = 238,788.08 : x
  2. Step 2: Convert to fraction form
    439,992.08/607,189.38 = 238,788.08/x
  3. Step 3: Cross multiply
    439,992.08x = 607,189.38 × 238,788.08
  4. Step 4: Simplify right side
    439,992.08x = 144,989,586,246.59
  5. Step 5: Solve for x
    x = 144,989,586,246.59/439,992.08
  6. Step 6: Final answer
    x = 329,527.72

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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.