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Finding the Fourth Proportional to 437,383.32, 603,573.54 and 265,320.96

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Solution

The fourth proportional to 437,383.32, 603,573.54 and 265,320.96 is: 366,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,383.32 : 603,573.54 = 265,320.96 : x
  2. Step 2: Convert to fraction form
    437,383.32/603,573.54 = 265,320.96/x
  3. Step 3: Cross multiply
    437,383.32x = 603,573.54 × 265,320.96
  4. Step 4: Simplify right side
    437,383.32x = 160,140,711,063.40
  5. Step 5: Solve for x
    x = 160,140,711,063.40/437,383.32
  6. Step 6: Final answer
    x = 366,133.56

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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.