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Finding the Fourth Proportional to 437,071.59, 603,177.39 and 243,479.06

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Solution

The fourth proportional to 437,071.59, 603,177.39 and 243,479.06 is: 336,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,071.59 : 603,177.39 = 243,479.06 : x
  2. Step 2: Convert to fraction form
    437,071.59/603,177.39 = 243,479.06/x
  3. Step 3: Cross multiply
    437,071.59x = 603,177.39 × 243,479.06
  4. Step 4: Simplify right side
    437,071.59x = 146,861,063,930.45
  5. Step 5: Solve for x
    x = 146,861,063,930.45/437,071.59
  6. Step 6: Final answer
    x = 336,011.46

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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.