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Finding the Fourth Proportional to 591,059.62, 815,668.55 and 336,412.63

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Solution

The fourth proportional to 591,059.62, 815,668.55 and 336,412.63 is: 464,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,059.62 : 815,668.55 = 336,412.63 : x
  2. Step 2: Convert to fraction form
    591,059.62/815,668.55 = 336,412.63/x
  3. Step 3: Cross multiply
    591,059.62x = 815,668.55 × 336,412.63
  4. Step 4: Simplify right side
    591,059.62x = 274,401,202,113.79
  5. Step 5: Solve for x
    x = 274,401,202,113.79/591,059.62
  6. Step 6: Final answer
    x = 464,253.00

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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.