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Finding the Fourth Proportional to 544,502.80, 815,770.05 and 465,770.80

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Solution

The fourth proportional to 544,502.80, 815,770.05 and 465,770.80 is: 697,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,502.80 : 815,770.05 = 465,770.80 : x
  2. Step 2: Convert to fraction form
    544,502.80/815,770.05 = 465,770.80/x
  3. Step 3: Cross multiply
    544,502.80x = 815,770.05 × 465,770.80
  4. Step 4: Simplify right side
    544,502.80x = 379,961,868,804.54
  5. Step 5: Solve for x
    x = 379,961,868,804.54/544,502.80
  6. Step 6: Final answer
    x = 697,814.35

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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.