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Finding the Fourth Proportional to 434,609.82, 651,782.07 and 300,535.79

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Solution

The fourth proportional to 434,609.82, 651,782.07 and 300,535.79 is: 450,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,609.82 : 651,782.07 = 300,535.79 : x
  2. Step 2: Convert to fraction form
    434,609.82/651,782.07 = 300,535.79/x
  3. Step 3: Cross multiply
    434,609.82x = 651,782.07 × 300,535.79
  4. Step 4: Simplify right side
    434,609.82x = 195,883,836,056.38
  5. Step 5: Solve for x
    x = 195,883,836,056.38/434,609.82
  6. Step 6: Final answer
    x = 450,711.94

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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.