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Finding the Fourth Proportional to 524,751.80, 788,877.30 and 447,769.40

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Solution

The fourth proportional to 524,751.80, 788,877.30 and 447,769.40 is: 673,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,751.80 : 788,877.30 = 447,769.40 : x
  2. Step 2: Convert to fraction form
    524,751.80/788,877.30 = 447,769.40/x
  3. Step 3: Cross multiply
    524,751.80x = 788,877.30 × 447,769.40
  4. Step 4: Simplify right side
    524,751.80x = 353,235,115,294.62
  5. Step 5: Solve for x
    x = 353,235,115,294.62/524,751.80
  6. Step 6: Final answer
    x = 673,147.03

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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.