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Finding the Fourth Proportional to 565,593.52, 780,523.53 and 307,470.41

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Solution

The fourth proportional to 565,593.52, 780,523.53 and 307,470.41 is: 424,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,593.52 : 780,523.53 = 307,470.41 : x
  2. Step 2: Convert to fraction form
    565,593.52/780,523.53 = 307,470.41/x
  3. Step 3: Cross multiply
    565,593.52x = 780,523.53 × 307,470.41
  4. Step 4: Simplify right side
    565,593.52x = 239,987,889,783.75
  5. Step 5: Solve for x
    x = 239,987,889,783.75/565,593.52
  6. Step 6: Final answer
    x = 424,311.60

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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.