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Finding the Fourth Proportional to 347,772.69, 520,125.71 and 302,744.79

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Solution

The fourth proportional to 347,772.69, 520,125.71 and 302,744.79 is: 452,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,772.69 : 520,125.71 = 302,744.79 : x
  2. Step 2: Convert to fraction form
    347,772.69/520,125.71 = 302,744.79/x
  3. Step 3: Cross multiply
    347,772.69x = 520,125.71 × 302,744.79
  4. Step 4: Simplify right side
    347,772.69x = 157,465,347,333.83
  5. Step 5: Solve for x
    x = 157,465,347,333.83/347,772.69
  6. Step 6: Final answer
    x = 452,782.38

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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.