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Finding the Fourth Proportional to 704,049.13, 972,389.78 and 477,300.97

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Solution

The fourth proportional to 704,049.13, 972,389.78 and 477,300.97 is: 659,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,049.13 : 972,389.78 = 477,300.97 : x
  2. Step 2: Convert to fraction form
    704,049.13/972,389.78 = 477,300.97/x
  3. Step 3: Cross multiply
    704,049.13x = 972,389.78 × 477,300.97
  4. Step 4: Simplify right side
    704,049.13x = 464,122,585,212.09
  5. Step 5: Solve for x
    x = 464,122,585,212.09/704,049.13
  6. Step 6: Final answer
    x = 659,219.03

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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.