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Finding the Fourth Proportional to 439,894.10, 659,709.52 and 229,417.22

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Solution

The fourth proportional to 439,894.10, 659,709.52 and 229,417.22 is: 344,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,894.10 : 659,709.52 = 229,417.22 : x
  2. Step 2: Convert to fraction form
    439,894.10/659,709.52 = 229,417.22/x
  3. Step 3: Cross multiply
    439,894.10x = 659,709.52 × 229,417.22
  4. Step 4: Simplify right side
    439,894.10x = 151,348,724,085.93
  5. Step 5: Solve for x
    x = 151,348,724,085.93/439,894.10
  6. Step 6: Final answer
    x = 344,057.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.