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Finding the Fourth Proportional to 437,393.40, 603,529.80 and 243,758.82

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Solution

The fourth proportional to 437,393.40, 603,529.80 and 243,758.82 is: 336,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,393.40 : 603,529.80 = 243,758.82 : x
  2. Step 2: Convert to fraction form
    437,393.40/603,529.80 = 243,758.82/x
  3. Step 3: Cross multiply
    437,393.40x = 603,529.80 × 243,758.82
  4. Step 4: Simplify right side
    437,393.40x = 147,115,711,882.84
  5. Step 5: Solve for x
    x = 147,115,711,882.84/437,393.40
  6. Step 6: Final answer
    x = 336,346.44

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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.