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Finding the Fourth Proportional to 426,081.94, 588,005.38 and 235,107.63

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Solution

The fourth proportional to 426,081.94, 588,005.38 and 235,107.63 is: 324,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,081.94 : 588,005.38 = 235,107.63 : x
  2. Step 2: Convert to fraction form
    426,081.94/588,005.38 = 235,107.63/x
  3. Step 3: Cross multiply
    426,081.94x = 588,005.38 × 235,107.63
  4. Step 4: Simplify right side
    426,081.94x = 138,244,550,290.45
  5. Step 5: Solve for x
    x = 138,244,550,290.45/426,081.94
  6. Step 6: Final answer
    x = 324,455.32

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Double scale
Find fourth proportional to 426,082.94, 588,006.76 and 235,108.63
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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.