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Finding the Fourth Proportional to 591,713.80, 816,563.10 and 337,108.12

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Solution

The fourth proportional to 591,713.80, 816,563.10 and 337,108.12 is: 465,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,713.80 : 816,563.10 = 337,108.12 : x
  2. Step 2: Convert to fraction form
    591,713.80/816,563.10 = 337,108.12/x
  3. Step 3: Cross multiply
    591,713.80x = 816,563.10 × 337,108.12
  4. Step 4: Simplify right side
    591,713.80x = 275,270,051,502.37
  5. Step 5: Solve for x
    x = 275,270,051,502.37/591,713.80
  6. Step 6: Final answer
    x = 465,208.10

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1.5x scale

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.